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Finding the Fourth Proportional to 144,670.20, 216,972.90 and 95,098.20

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Solution

The fourth proportional to 144,670.20, 216,972.90 and 95,098.20 is: 142,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,670.20 : 216,972.90 = 95,098.20 : x
  2. Step 2: Convert to fraction form
    144,670.20/216,972.90 = 95,098.20/x
  3. Step 3: Cross multiply
    144,670.20x = 216,972.90 × 95,098.20
  4. Step 4: Simplify right side
    144,670.20x = 20,633,732,238.78
  5. Step 5: Solve for x
    x = 20,633,732,238.78/144,670.20
  6. Step 6: Final answer
    x = 142,626.00

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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.