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Finding the Fourth Proportional to 159,753.24, 220,458.24 and 88,136.28

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Solution

The fourth proportional to 159,753.24, 220,458.24 and 88,136.28 is: 121,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,753.24 : 220,458.24 = 88,136.28 : x
  2. Step 2: Convert to fraction form
    159,753.24/220,458.24 = 88,136.28/x
  3. Step 3: Cross multiply
    159,753.24x = 220,458.24 × 88,136.28
  4. Step 4: Simplify right side
    159,753.24x = 19,430,369,168.95
  5. Step 5: Solve for x
    x = 19,430,369,168.95/159,753.24
  6. Step 6: Final answer
    x = 121,627.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.