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Finding the Fourth Proportional to 146,589.71, 202,294.19 and 79,521.71

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Solution

The fourth proportional to 146,589.71, 202,294.19 and 79,521.71 is: 109,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,589.71 : 202,294.19 = 79,521.71 : x
  2. Step 2: Convert to fraction form
    146,589.71/202,294.19 = 79,521.71/x
  3. Step 3: Cross multiply
    146,589.71x = 202,294.19 × 79,521.71
  4. Step 4: Simplify right side
    146,589.71x = 16,086,780,616.40
  5. Step 5: Solve for x
    x = 16,086,780,616.40/146,589.71
  6. Step 6: Final answer
    x = 109,740.17

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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.