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Finding the Fourth Proportional to 121,397.68, 182,123.58 and 37,169.65

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Solution

The fourth proportional to 121,397.68, 182,123.58 and 37,169.65 is: 55,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,397.68 : 182,123.58 = 37,169.65 : x
  2. Step 2: Convert to fraction form
    121,397.68/182,123.58 = 37,169.65/x
  3. Step 3: Cross multiply
    121,397.68x = 182,123.58 × 37,169.65
  4. Step 4: Simplify right side
    121,397.68x = 6,769,469,725.35
  5. Step 5: Solve for x
    x = 6,769,469,725.35/121,397.68
  6. Step 6: Final answer
    x = 55,762.76

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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.