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Finding the Fourth Proportional to 59,784,820.80, 89,677,231.20 and 54,682,987.20

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Solution

The fourth proportional to 59,784,820.80, 89,677,231.20 and 54,682,987.20 is: 82,024,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784,820.80 : 89,677,231.20 = 54,682,987.20 : x
  2. Step 2: Convert to fraction form
    59,784,820.80/89,677,231.20 = 54,682,987.20/x
  3. Step 3: Cross multiply
    59,784,820.80x = 89,677,231.20 × 54,682,987.20
  4. Step 4: Simplify right side
    59,784,820.80x = 4,903,818,885,841,041
  5. Step 5: Solve for x
    x = 4,903,818,885,841,041/59,784,820.80
  6. Step 6: Final answer
    x = 82,024,480.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.