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Finding the Fourth Proportional to 162,540.54, 224,324.55 and 90,938.70

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Solution

The fourth proportional to 162,540.54, 224,324.55 and 90,938.70 is: 125,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,540.54 : 224,324.55 = 90,938.70 : x
  2. Step 2: Convert to fraction form
    162,540.54/224,324.55 = 90,938.70/x
  3. Step 3: Cross multiply
    162,540.54x = 224,324.55 × 90,938.70
  4. Step 4: Simplify right side
    162,540.54x = 20,399,782,955.09
  5. Step 5: Solve for x
    x = 20,399,782,955.09/162,540.54
  6. Step 6: Final answer
    x = 125,505.82

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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.