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Finding the Fourth Proportional to 88,573,618.60, 123,716,087.90 and 88,573,618.60

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Solution

The fourth proportional to 88,573,618.60, 123,716,087.90 and 88,573,618.60 is: 123,716,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,618.60 : 123,716,087.90 = 88,573,618.60 : x
  2. Step 2: Convert to fraction form
    88,573,618.60/123,716,087.90 = 88,573,618.60/x
  3. Step 3: Cross multiply
    88,573,618.60x = 123,716,087.90 × 88,573,618.60
  4. Step 4: Simplify right side
    88,573,618.60x = 10,957,981,584,338,674
  5. Step 5: Solve for x
    x = 10,957,981,584,338,674/88,573,618.60
  6. Step 6: Final answer
    x = 123,716,087.90

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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.