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Finding the Fourth Proportional to 89,693,387.10, 125,655,772.50 and 89,693,387.10

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Solution

The fourth proportional to 89,693,387.10, 125,655,772.50 and 89,693,387.10 is: 125,655,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,693,387.10 : 125,655,772.50 = 89,693,387.10 : x
  2. Step 2: Convert to fraction form
    89,693,387.10/125,655,772.50 = 89,693,387.10/x
  3. Step 3: Cross multiply
    89,693,387.10x = 125,655,772.50 × 89,693,387.10
  4. Step 4: Simplify right side
    89,693,387.10x = 11,270,491,844,192,034
  5. Step 5: Solve for x
    x = 11,270,491,844,192,034/89,693,387.10
  6. Step 6: Final answer
    x = 125,655,772.50

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1.5x scale

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.