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Finding the Fourth Proportional to 169,406.64, 254,293.83 and 127,406.52

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Solution

The fourth proportional to 169,406.64, 254,293.83 and 127,406.52 is: 191,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,406.64 : 254,293.83 = 127,406.52 : x
  2. Step 2: Convert to fraction form
    169,406.64/254,293.83 = 127,406.52/x
  3. Step 3: Cross multiply
    169,406.64x = 254,293.83 × 127,406.52
  4. Step 4: Simplify right side
    169,406.64x = 32,398,691,937.77
  5. Step 5: Solve for x
    x = 32,398,691,937.77/169,406.64
  6. Step 6: Final answer
    x = 191,248.06

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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.