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Finding the Fourth Proportional to 144,629.40, 217,073.70 and 124,930.20

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Solution

The fourth proportional to 144,629.40, 217,073.70 and 124,930.20 is: 187,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,629.40 : 217,073.70 = 124,930.20 : x
  2. Step 2: Convert to fraction form
    144,629.40/217,073.70 = 124,930.20/x
  3. Step 3: Cross multiply
    144,629.40x = 217,073.70 × 124,930.20
  4. Step 4: Simplify right side
    144,629.40x = 27,119,060,755.74
  5. Step 5: Solve for x
    x = 27,119,060,755.74/144,629.40
  6. Step 6: Final answer
    x = 187,507.25

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1.5x scale

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.