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Finding the Fourth Proportional to 88,246.86, 132,386.68 and 29,086.68

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Solution

The fourth proportional to 88,246.86, 132,386.68 and 29,086.68 is: 43,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,246.86 : 132,386.68 = 29,086.68 : x
  2. Step 2: Convert to fraction form
    88,246.86/132,386.68 = 29,086.68/x
  3. Step 3: Cross multiply
    88,246.86x = 132,386.68 × 29,086.68
  4. Step 4: Simplify right side
    88,246.86x = 3,850,688,997.42
  5. Step 5: Solve for x
    x = 3,850,688,997.42/88,246.86
  6. Step 6: Final answer
    x = 43,635.42

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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.