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Finding the Fourth Proportional to 162,343.76, 224,033.73 and 90,723.76

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Solution

The fourth proportional to 162,343.76, 224,033.73 and 90,723.76 is: 125,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,343.76 : 224,033.73 = 90,723.76 : x
  2. Step 2: Convert to fraction form
    162,343.76/224,033.73 = 90,723.76/x
  3. Step 3: Cross multiply
    162,343.76x = 224,033.73 × 90,723.76
  4. Step 4: Simplify right side
    162,343.76x = 20,325,182,352.42
  5. Step 5: Solve for x
    x = 20,325,182,352.42/162,343.76
  6. Step 6: Final answer
    x = 125,198.42

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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.