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Finding the Fourth Proportional to 106,329.60, 159,494.40 and 79,502.40

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Solution

The fourth proportional to 106,329.60, 159,494.40 and 79,502.40 is: 119,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,329.60 : 159,494.40 = 79,502.40 : x
  2. Step 2: Convert to fraction form
    106,329.60/159,494.40 = 79,502.40/x
  3. Step 3: Cross multiply
    106,329.60x = 159,494.40 × 79,502.40
  4. Step 4: Simplify right side
    106,329.60x = 12,680,187,586.56
  5. Step 5: Solve for x
    x = 12,680,187,586.56/106,329.60
  6. Step 6: Final answer
    x = 119,253.60

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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.