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Finding the Fourth Proportional to 117,125.64, 175,721.04 and 38,244.60

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Solution

The fourth proportional to 117,125.64, 175,721.04 and 38,244.60 is: 57,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,125.64 : 175,721.04 = 38,244.60 : x
  2. Step 2: Convert to fraction form
    117,125.64/175,721.04 = 38,244.60/x
  3. Step 3: Cross multiply
    117,125.64x = 175,721.04 × 38,244.60
  4. Step 4: Simplify right side
    117,125.64x = 6,720,380,886.38
  5. Step 5: Solve for x
    x = 6,720,380,886.38/117,125.64
  6. Step 6: Final answer
    x = 57,377.54

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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.