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Finding the Fourth Proportional to 103,472.66, 155,176.17 and 44,292.44

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Solution

The fourth proportional to 103,472.66, 155,176.17 and 44,292.44 is: 66,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,472.66 : 155,176.17 = 44,292.44 : x
  2. Step 2: Convert to fraction form
    103,472.66/155,176.17 = 44,292.44/x
  3. Step 3: Cross multiply
    103,472.66x = 155,176.17 × 44,292.44
  4. Step 4: Simplify right side
    103,472.66x = 6,873,130,423.27
  5. Step 5: Solve for x
    x = 6,873,130,423.27/103,472.66
  6. Step 6: Final answer
    x = 66,424.61

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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.