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Finding the Fourth Proportional to 88,669.89, 133,024.88 and 29,507.90

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Solution

The fourth proportional to 88,669.89, 133,024.88 and 29,507.90 is: 44,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,669.89 : 133,024.88 = 29,507.90 : x
  2. Step 2: Convert to fraction form
    88,669.89/133,024.88 = 29,507.90/x
  3. Step 3: Cross multiply
    88,669.89x = 133,024.88 × 29,507.90
  4. Step 4: Simplify right side
    88,669.89x = 3,925,284,265.20
  5. Step 5: Solve for x
    x = 3,925,284,265.20/88,669.89
  6. Step 6: Final answer
    x = 44,268.51

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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.