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Finding the Fourth Proportional to 157,652.86, 217,452.63 and 93,941.50

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Solution

The fourth proportional to 157,652.86, 217,452.63 and 93,941.50 is: 129,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,652.86 : 217,452.63 = 93,941.50 : x
  2. Step 2: Convert to fraction form
    157,652.86/217,452.63 = 93,941.50/x
  3. Step 3: Cross multiply
    157,652.86x = 217,452.63 × 93,941.50
  4. Step 4: Simplify right side
    157,652.86x = 20,427,826,241.15
  5. Step 5: Solve for x
    x = 20,427,826,241.15/157,652.86
  6. Step 6: Final answer
    x = 129,574.73

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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.