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Finding the Fourth Proportional to 177,912.11, 245,484.86 and 101,427.86

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Solution

The fourth proportional to 177,912.11, 245,484.86 and 101,427.86 is: 139,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,912.11 : 245,484.86 = 101,427.86 : x
  2. Step 2: Convert to fraction form
    177,912.11/245,484.86 = 101,427.86/x
  3. Step 3: Cross multiply
    177,912.11x = 245,484.86 × 101,427.86
  4. Step 4: Simplify right side
    177,912.11x = 24,899,002,277.64
  5. Step 5: Solve for x
    x = 24,899,002,277.64/177,912.11
  6. Step 6: Final answer
    x = 139,951.14

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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.