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Finding the Fourth Proportional to 88,747.90, 133,057.05 and 36,130.30

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Solution

The fourth proportional to 88,747.90, 133,057.05 and 36,130.30 is: 54,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,747.90 : 133,057.05 = 36,130.30 : x
  2. Step 2: Convert to fraction form
    88,747.90/133,057.05 = 36,130.30/x
  3. Step 3: Cross multiply
    88,747.90x = 133,057.05 × 36,130.30
  4. Step 4: Simplify right side
    88,747.90x = 4,807,391,133.62
  5. Step 5: Solve for x
    x = 4,807,391,133.62/88,747.90
  6. Step 6: Final answer
    x = 54,169.07

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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.