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Finding the Fourth Proportional to 143,701.52, 215,552.32 and 43,862.28

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Solution

The fourth proportional to 143,701.52, 215,552.32 and 43,862.28 is: 65,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,701.52 : 215,552.32 = 43,862.28 : x
  2. Step 2: Convert to fraction form
    143,701.52/215,552.32 = 43,862.28/x
  3. Step 3: Cross multiply
    143,701.52x = 215,552.32 × 43,862.28
  4. Step 4: Simplify right side
    143,701.52x = 9,454,616,214.49
  5. Step 5: Solve for x
    x = 9,454,616,214.49/143,701.52
  6. Step 6: Final answer
    x = 65,793.43

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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.