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Finding the Fourth Proportional to 162,504.88, 224,254.32 and 90,884.24

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Solution

The fourth proportional to 162,504.88, 224,254.32 and 90,884.24 is: 125,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,504.88 : 224,254.32 = 90,884.24 : x
  2. Step 2: Convert to fraction form
    162,504.88/224,254.32 = 90,884.24/x
  3. Step 3: Cross multiply
    162,504.88x = 224,254.32 × 90,884.24
  4. Step 4: Simplify right side
    162,504.88x = 20,381,183,439.92
  5. Step 5: Solve for x
    x = 20,381,183,439.92/162,504.88
  6. Step 6: Final answer
    x = 125,418.90

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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.