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Finding the Fourth Proportional to 185,425.56, 255,892.30 and 104,865.13

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Solution

The fourth proportional to 185,425.56, 255,892.30 and 104,865.13 is: 144,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,425.56 : 255,892.30 = 104,865.13 : x
  2. Step 2: Convert to fraction form
    185,425.56/255,892.30 = 104,865.13/x
  3. Step 3: Cross multiply
    185,425.56x = 255,892.30 × 104,865.13
  4. Step 4: Simplify right side
    185,425.56x = 26,834,179,305.50
  5. Step 5: Solve for x
    x = 26,834,179,305.50/185,425.56
  6. Step 6: Final answer
    x = 144,716.72

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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.