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Finding the Fourth Proportional to 115,404.19, 173,079.56 and 36,503.71

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Solution

The fourth proportional to 115,404.19, 173,079.56 and 36,503.71 is: 54,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,404.19 : 173,079.56 = 36,503.71 : x
  2. Step 2: Convert to fraction form
    115,404.19/173,079.56 = 36,503.71/x
  3. Step 3: Cross multiply
    115,404.19x = 173,079.56 × 36,503.71
  4. Step 4: Simplify right side
    115,404.19x = 6,318,045,882.65
  5. Step 5: Solve for x
    x = 6,318,045,882.65/115,404.19
  6. Step 6: Final answer
    x = 54,747.11

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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.