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Finding the Fourth Proportional to 118,437.59, 177,684.26 and 38,475.29

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Solution

The fourth proportional to 118,437.59, 177,684.26 and 38,475.29 is: 57,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,437.59 : 177,684.26 = 38,475.29 : x
  2. Step 2: Convert to fraction form
    118,437.59/177,684.26 = 38,475.29/x
  3. Step 3: Cross multiply
    118,437.59x = 177,684.26 × 38,475.29
  4. Step 4: Simplify right side
    118,437.59x = 6,836,452,351.14
  5. Step 5: Solve for x
    x = 6,836,452,351.14/118,437.59
  6. Step 6: Final answer
    x = 57,721.98

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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.