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Finding the Fourth Proportional to 143,792.38, 215,689.13 and 43,952.19

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Solution

The fourth proportional to 143,792.38, 215,689.13 and 43,952.19 is: 65,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,792.38 : 215,689.13 = 43,952.19 : x
  2. Step 2: Convert to fraction form
    143,792.38/215,689.13 = 43,952.19/x
  3. Step 3: Cross multiply
    143,792.38x = 215,689.13 × 43,952.19
  4. Step 4: Simplify right side
    143,792.38x = 9,480,008,324.49
  5. Step 5: Solve for x
    x = 9,480,008,324.49/143,792.38
  6. Step 6: Final answer
    x = 65,928.45

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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.