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Finding the Fourth Proportional to 88,902.90, 133,354.35 and 22,345.20

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Solution

The fourth proportional to 88,902.90, 133,354.35 and 22,345.20 is: 33,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,902.90 : 133,354.35 = 22,345.20 : x
  2. Step 2: Convert to fraction form
    88,902.90/133,354.35 = 22,345.20/x
  3. Step 3: Cross multiply
    88,902.90x = 133,354.35 × 22,345.20
  4. Step 4: Simplify right side
    88,902.90x = 2,979,829,621.62
  5. Step 5: Solve for x
    x = 2,979,829,621.62/88,902.90
  6. Step 6: Final answer
    x = 33,517.80

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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.