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Finding the Fourth Proportional to 159,854.45, 239,553.07 and 117,401.42

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Solution

The fourth proportional to 159,854.45, 239,553.07 and 117,401.42 is: 175,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,854.45 : 239,553.07 = 117,401.42 : x
  2. Step 2: Convert to fraction form
    159,854.45/239,553.07 = 117,401.42/x
  3. Step 3: Cross multiply
    159,854.45x = 239,553.07 × 117,401.42
  4. Step 4: Simplify right side
    159,854.45x = 28,123,870,888.74
  5. Step 5: Solve for x
    x = 28,123,870,888.74/159,854.45
  6. Step 6: Final answer
    x = 175,934.24

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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.