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Finding the Fourth Proportional to 146,759.40, 202,527.72 and 79,691.40

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Solution

The fourth proportional to 146,759.40, 202,527.72 and 79,691.40 is: 109,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,759.40 : 202,527.72 = 79,691.40 : x
  2. Step 2: Convert to fraction form
    146,759.40/202,527.72 = 79,691.40/x
  3. Step 3: Cross multiply
    146,759.40x = 202,527.72 × 79,691.40
  4. Step 4: Simplify right side
    146,759.40x = 16,139,717,545.61
  5. Step 5: Solve for x
    x = 16,139,717,545.61/146,759.40
  6. Step 6: Final answer
    x = 109,974.00

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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.