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Finding the Fourth Proportional to 157,596.02, 217,452.76 and 93,939.74

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Solution

The fourth proportional to 157,596.02, 217,452.76 and 93,939.74 is: 129,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,596.02 : 217,452.76 = 93,939.74 : x
  2. Step 2: Convert to fraction form
    157,596.02/217,452.76 = 93,939.74/x
  3. Step 3: Cross multiply
    157,596.02x = 217,452.76 × 93,939.74
  4. Step 4: Simplify right side
    157,596.02x = 20,427,455,736.68
  5. Step 5: Solve for x
    x = 20,427,455,736.68/157,596.02
  6. Step 6: Final answer
    x = 129,619.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.