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Finding the Fourth Proportional to 89,339,865.70, 124,820,720.30 and 89,339,865.70

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Solution

The fourth proportional to 89,339,865.70, 124,820,720.30 and 89,339,865.70 is: 124,820,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339,865.70 : 124,820,720.30 = 89,339,865.70 : x
  2. Step 2: Convert to fraction form
    89,339,865.70/124,820,720.30 = 89,339,865.70/x
  3. Step 3: Cross multiply
    89,339,865.70x = 124,820,720.30 × 89,339,865.70
  4. Step 4: Simplify right side
    89,339,865.70x = 11,151,466,388,179,264
  5. Step 5: Solve for x
    x = 11,151,466,388,179,264/89,339,865.70
  6. Step 6: Final answer
    x = 124,820,720.30

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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.