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Finding the Fourth Proportional to 144,792.80, 217,189.20 and 44,952.20

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Solution

The fourth proportional to 144,792.80, 217,189.20 and 44,952.20 is: 67,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,792.80 : 217,189.20 = 44,952.20 : x
  2. Step 2: Convert to fraction form
    144,792.80/217,189.20 = 44,952.20/x
  3. Step 3: Cross multiply
    144,792.80x = 217,189.20 × 44,952.20
  4. Step 4: Simplify right side
    144,792.80x = 9,763,132,356.24
  5. Step 5: Solve for x
    x = 9,763,132,356.24/144,792.80
  6. Step 6: Final answer
    x = 67,428.30

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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.