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Finding the Fourth Proportional to 88,356.92, 132,539.64 and 29,191.28

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Solution

The fourth proportional to 88,356.92, 132,539.64 and 29,191.28 is: 43,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,356.92 : 132,539.64 = 29,191.28 : x
  2. Step 2: Convert to fraction form
    88,356.92/132,539.64 = 29,191.28/x
  3. Step 3: Cross multiply
    88,356.92x = 132,539.64 × 29,191.28
  4. Step 4: Simplify right side
    88,356.92x = 3,869,001,742.34
  5. Step 5: Solve for x
    x = 3,869,001,742.34/88,356.92
  6. Step 6: Final answer
    x = 43,788.33

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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.