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Finding the Fourth Proportional to 107,306.17, 160,960.16 and 40,728.42

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Solution

The fourth proportional to 107,306.17, 160,960.16 and 40,728.42 is: 61,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,306.17 : 160,960.16 = 40,728.42 : x
  2. Step 2: Convert to fraction form
    107,306.17/160,960.16 = 40,728.42/x
  3. Step 3: Cross multiply
    107,306.17x = 160,960.16 × 40,728.42
  4. Step 4: Simplify right side
    107,306.17x = 6,555,653,101.57
  5. Step 5: Solve for x
    x = 6,555,653,101.57/107,306.17
  6. Step 6: Final answer
    x = 61,092.98

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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.