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Finding the Fourth Proportional to 162,660.53, 224,469.32 and 91,040.52

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Solution

The fourth proportional to 162,660.53, 224,469.32 and 91,040.52 is: 125,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,660.53 : 224,469.32 = 91,040.52 : x
  2. Step 2: Convert to fraction form
    162,660.53/224,469.32 = 91,040.52/x
  3. Step 3: Cross multiply
    162,660.53x = 224,469.32 × 91,040.52
  4. Step 4: Simplify right side
    162,660.53x = 20,435,803,161.64
  5. Step 5: Solve for x
    x = 20,435,803,161.64/162,660.53
  6. Step 6: Final answer
    x = 125,634.68

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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.