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Finding the Fourth Proportional to 88,581,736.40, 124,141,976.80 and 88,581,736.40

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Solution

The fourth proportional to 88,581,736.40, 124,141,976.80 and 88,581,736.40 is: 124,141,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581,736.40 : 124,141,976.80 = 88,581,736.40 : x
  2. Step 2: Convert to fraction form
    88,581,736.40/124,141,976.80 = 88,581,736.40/x
  3. Step 3: Cross multiply
    88,581,736.40x = 124,141,976.80 × 88,581,736.40
  4. Step 4: Simplify right side
    88,581,736.40x = 10,996,711,865,072,516
  5. Step 5: Solve for x
    x = 10,996,711,865,072,516/88,581,736.40
  6. Step 6: Final answer
    x = 124,141,976.80

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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.