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Finding the Fourth Proportional to 185,773.76, 256,446.16 and 125,426.08

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Solution

The fourth proportional to 185,773.76, 256,446.16 and 125,426.08 is: 173,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,773.76 : 256,446.16 = 125,426.08 : x
  2. Step 2: Convert to fraction form
    185,773.76/256,446.16 = 125,426.08/x
  3. Step 3: Cross multiply
    185,773.76x = 256,446.16 × 125,426.08
  4. Step 4: Simplify right side
    185,773.76x = 32,165,036,579.85
  5. Step 5: Solve for x
    x = 32,165,036,579.85/185,773.76
  6. Step 6: Final answer
    x = 173,140.90

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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.