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Finding the Fourth Proportional to 88,761.60, 133,164.96 and 26,432.64

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Solution

The fourth proportional to 88,761.60, 133,164.96 and 26,432.64 is: 39,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,761.60 : 133,164.96 = 26,432.64 : x
  2. Step 2: Convert to fraction form
    88,761.60/133,164.96 = 26,432.64/x
  3. Step 3: Cross multiply
    88,761.60x = 133,164.96 × 26,432.64
  4. Step 4: Simplify right side
    88,761.60x = 3,519,901,448.29
  5. Step 5: Solve for x
    x = 3,519,901,448.29/88,761.60
  6. Step 6: Final answer
    x = 39,655.68

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1.5x scale

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.