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Finding the Fourth Proportional to 55,709,531.80, 83,564,297.70 and 55,709,531.80

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Solution

The fourth proportional to 55,709,531.80, 83,564,297.70 and 55,709,531.80 is: 83,564,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,709,531.80 : 83,564,297.70 = 55,709,531.80 : x
  2. Step 2: Convert to fraction form
    55,709,531.80/83,564,297.70 = 55,709,531.80/x
  3. Step 3: Cross multiply
    55,709,531.80x = 83,564,297.70 × 55,709,531.80
  4. Step 4: Simplify right side
    55,709,531.80x = 4,655,327,900,062,817
  5. Step 5: Solve for x
    x = 4,655,327,900,062,817/55,709,531.80
  6. Step 6: Final answer
    x = 83,564,297.70

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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.