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Finding the Fourth Proportional to 169,686.68, 254,293.58 and 127,517.52

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Solution

The fourth proportional to 169,686.68, 254,293.58 and 127,517.52 is: 191,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,686.68 : 254,293.58 = 127,517.52 : x
  2. Step 2: Convert to fraction form
    169,686.68/254,293.58 = 127,517.52/x
  3. Step 3: Cross multiply
    169,686.68x = 254,293.58 × 127,517.52
  4. Step 4: Simplify right side
    169,686.68x = 32,426,886,035.93
  5. Step 5: Solve for x
    x = 32,426,886,035.93/169,686.68
  6. Step 6: Final answer
    x = 191,098.59

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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.