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Finding the Fourth Proportional to 117,507.31, 176,586.28 and 114,658.74

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Solution

The fourth proportional to 117,507.31, 176,586.28 and 114,658.74 is: 172,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,507.31 : 176,586.28 = 114,658.74 : x
  2. Step 2: Convert to fraction form
    117,507.31/176,586.28 = 114,658.74/x
  3. Step 3: Cross multiply
    117,507.31x = 176,586.28 × 114,658.74
  4. Step 4: Simplify right side
    117,507.31x = 20,247,160,079.44
  5. Step 5: Solve for x
    x = 20,247,160,079.44/117,507.31
  6. Step 6: Final answer
    x = 172,305.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.