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Finding the Fourth Proportional to 88,081,451.20, 132,122,176.80 and 88,081,451.20

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Solution

The fourth proportional to 88,081,451.20, 132,122,176.80 and 88,081,451.20 is: 132,122,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,081,451.20 : 132,122,176.80 = 88,081,451.20 : x
  2. Step 2: Convert to fraction form
    88,081,451.20/132,122,176.80 = 88,081,451.20/x
  3. Step 3: Cross multiply
    88,081,451.20x = 132,122,176.80 × 88,081,451.20
  4. Step 4: Simplify right side
    88,081,451.20x = 11,637,513,068,246,972
  5. Step 5: Solve for x
    x = 11,637,513,068,246,972/88,081,451.20
  6. Step 6: Final answer
    x = 132,122,176.80

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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.