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Finding the Fourth Proportional to 117,008.62, 175,479.44 and 38,129.74

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Solution

The fourth proportional to 117,008.62, 175,479.44 and 38,129.74 is: 57,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,008.62 : 175,479.44 = 38,129.74 : x
  2. Step 2: Convert to fraction form
    117,008.62/175,479.44 = 38,129.74/x
  3. Step 3: Cross multiply
    117,008.62x = 175,479.44 × 38,129.74
  4. Step 4: Simplify right side
    117,008.62x = 6,690,984,640.47
  5. Step 5: Solve for x
    x = 6,690,984,640.47/117,008.62
  6. Step 6: Final answer
    x = 57,183.69

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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.