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Finding the Fourth Proportional to 159,727.70, 239,591.55 and 117,737.30

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Solution

The fourth proportional to 159,727.70, 239,591.55 and 117,737.30 is: 176,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,727.70 : 239,591.55 = 117,737.30 : x
  2. Step 2: Convert to fraction form
    159,727.70/239,591.55 = 117,737.30/x
  3. Step 3: Cross multiply
    159,727.70x = 239,591.55 × 117,737.30
  4. Step 4: Simplify right side
    159,727.70x = 28,208,862,199.82
  5. Step 5: Solve for x
    x = 28,208,862,199.82/159,727.70
  6. Step 6: Final answer
    x = 176,605.95

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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.