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Finding the Fourth Proportional to 162,481.18, 224,244.87 and 90,865.18

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Solution

The fourth proportional to 162,481.18, 224,244.87 and 90,865.18 is: 125,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,481.18 : 224,244.87 = 90,865.18 : x
  2. Step 2: Convert to fraction form
    162,481.18/224,244.87 = 90,865.18/x
  3. Step 3: Cross multiply
    162,481.18x = 224,244.87 × 90,865.18
  4. Step 4: Simplify right side
    162,481.18x = 20,376,050,476.63
  5. Step 5: Solve for x
    x = 20,376,050,476.63/162,481.18
  6. Step 6: Final answer
    x = 125,405.60

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1.5x scale

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.