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Finding the Fourth Proportional to 157,168.27, 235,752.60 and 38,837.80

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Solution

The fourth proportional to 157,168.27, 235,752.60 and 38,837.80 is: 58,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,168.27 : 235,752.60 = 38,837.80 : x
  2. Step 2: Convert to fraction form
    157,168.27/235,752.60 = 38,837.80/x
  3. Step 3: Cross multiply
    157,168.27x = 235,752.60 × 38,837.80
  4. Step 4: Simplify right side
    157,168.27x = 9,156,111,149.52
  5. Step 5: Solve for x
    x = 9,156,111,149.52/157,168.27
  6. Step 6: Final answer
    x = 58,256.74

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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.