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Finding the Fourth Proportional to 59,063,430.80, 82,487,249.20 and 59,063,430.80

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Solution

The fourth proportional to 59,063,430.80, 82,487,249.20 and 59,063,430.80 is: 82,487,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,063,430.80 : 82,487,249.20 = 59,063,430.80 : x
  2. Step 2: Convert to fraction form
    59,063,430.80/82,487,249.20 = 59,063,430.80/x
  3. Step 3: Cross multiply
    59,063,430.80x = 82,487,249.20 × 59,063,430.80
  4. Step 4: Simplify right side
    59,063,430.80x = 4,871,979,935,006,555
  5. Step 5: Solve for x
    x = 4,871,979,935,006,555/59,063,430.80
  6. Step 6: Final answer
    x = 82,487,249.20

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.