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Finding the Fourth Proportional to 185,695.88, 256,318.70 and 118,627.88

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Solution

The fourth proportional to 185,695.88, 256,318.70 and 118,627.88 is: 163,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,695.88 : 256,318.70 = 118,627.88 : x
  2. Step 2: Convert to fraction form
    185,695.88/256,318.70 = 118,627.88/x
  3. Step 3: Cross multiply
    185,695.88x = 256,318.70 × 118,627.88
  4. Step 4: Simplify right side
    185,695.88x = 30,406,542,110.62
  5. Step 5: Solve for x
    x = 30,406,542,110.62/185,695.88
  6. Step 6: Final answer
    x = 163,743.77

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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.