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Finding the Fourth Proportional to 88,703.68, 133,076.78 and 29,539.86

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Solution

The fourth proportional to 88,703.68, 133,076.78 and 29,539.86 is: 44,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,703.68 : 133,076.78 = 29,539.86 : x
  2. Step 2: Convert to fraction form
    88,703.68/133,076.78 = 29,539.86/x
  3. Step 3: Cross multiply
    88,703.68x = 133,076.78 × 29,539.86
  4. Step 4: Simplify right side
    88,703.68x = 3,931,068,970.06
  5. Step 5: Solve for x
    x = 3,931,068,970.06/88,703.68
  6. Step 6: Final answer
    x = 44,316.87

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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.