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Finding the Fourth Proportional to 162,371.79, 224,069.22 and 90,758.48

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Solution

The fourth proportional to 162,371.79, 224,069.22 and 90,758.48 is: 125,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,371.79 : 224,069.22 = 90,758.48 : x
  2. Step 2: Convert to fraction form
    162,371.79/224,069.22 = 90,758.48/x
  3. Step 3: Cross multiply
    162,371.79x = 224,069.22 × 90,758.48
  4. Step 4: Simplify right side
    162,371.79x = 20,336,180,701.64
  5. Step 5: Solve for x
    x = 20,336,180,701.64/162,371.79
  6. Step 6: Final answer
    x = 125,244.54

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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.