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Finding the Fourth Proportional to 176,873.52, 244,079.82 and 105,237.12

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Solution

The fourth proportional to 176,873.52, 244,079.82 and 105,237.12 is: 145,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,873.52 : 244,079.82 = 105,237.12 : x
  2. Step 2: Convert to fraction form
    176,873.52/244,079.82 = 105,237.12/x
  3. Step 3: Cross multiply
    176,873.52x = 244,079.82 × 105,237.12
  4. Step 4: Simplify right side
    176,873.52x = 25,686,257,306.92
  5. Step 5: Solve for x
    x = 25,686,257,306.92/176,873.52
  6. Step 6: Final answer
    x = 145,223.87

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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.