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Finding the Fourth Proportional to 185,656.56, 256,206.36 and 100,773.72

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Solution

The fourth proportional to 185,656.56, 256,206.36 and 100,773.72 is: 139,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,656.56 : 256,206.36 = 100,773.72 : x
  2. Step 2: Convert to fraction form
    185,656.56/256,206.36 = 100,773.72/x
  3. Step 3: Cross multiply
    185,656.56x = 256,206.36 × 100,773.72
  4. Step 4: Simplify right side
    185,656.56x = 25,818,867,984.86
  5. Step 5: Solve for x
    x = 25,818,867,984.86/185,656.56
  6. Step 6: Final answer
    x = 139,067.90

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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.