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Finding the Fourth Proportional to 88,081,092.70, 132,121,639.05 and 88,081,092.70

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Solution

The fourth proportional to 88,081,092.70, 132,121,639.05 and 88,081,092.70 is: 132,121,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,081,092.70 : 132,121,639.05 = 88,081,092.70 : x
  2. Step 2: Convert to fraction form
    88,081,092.70/132,121,639.05 = 88,081,092.70/x
  3. Step 3: Cross multiply
    88,081,092.70x = 132,121,639.05 × 88,081,092.70
  4. Step 4: Simplify right side
    88,081,092.70x = 11,637,418,336,838,990
  5. Step 5: Solve for x
    x = 11,637,418,336,838,990/88,081,092.70
  6. Step 6: Final answer
    x = 132,121,639.05

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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.