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Finding the Fourth Proportional to 159,627.52, 220,295.88 and 88,007.42

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Solution

The fourth proportional to 159,627.52, 220,295.88 and 88,007.42 is: 121,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,627.52 : 220,295.88 = 88,007.42 : x
  2. Step 2: Convert to fraction form
    159,627.52/220,295.88 = 88,007.42/x
  3. Step 3: Cross multiply
    159,627.52x = 220,295.88 × 88,007.42
  4. Step 4: Simplify right side
    159,627.52x = 19,387,672,035.43
  5. Step 5: Solve for x
    x = 19,387,672,035.43/159,627.52
  6. Step 6: Final answer
    x = 121,455.70

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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.