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Finding the Fourth Proportional to 169,324.48, 254,000.52 and 85,041.28

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Solution

The fourth proportional to 169,324.48, 254,000.52 and 85,041.28 is: 127,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,324.48 : 254,000.52 = 85,041.28 : x
  2. Step 2: Convert to fraction form
    169,324.48/254,000.52 = 85,041.28/x
  3. Step 3: Cross multiply
    169,324.48x = 254,000.52 × 85,041.28
  4. Step 4: Simplify right side
    169,324.48x = 21,600,527,858.86
  5. Step 5: Solve for x
    x = 21,600,527,858.86/169,324.48
  6. Step 6: Final answer
    x = 127,568.85

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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.