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Finding the Fourth Proportional to 116,062.63, 159,123.35 and 113,963.11

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Solution

The fourth proportional to 116,062.63, 159,123.35 and 113,963.11 is: 156,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,062.63 : 159,123.35 = 113,963.11 : x
  2. Step 2: Convert to fraction form
    116,062.63/159,123.35 = 113,963.11/x
  3. Step 3: Cross multiply
    116,062.63x = 159,123.35 × 113,963.11
  4. Step 4: Simplify right side
    116,062.63x = 18,134,191,726.72
  5. Step 5: Solve for x
    x = 18,134,191,726.72/116,062.63
  6. Step 6: Final answer
    x = 156,244.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.