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Finding the Fourth Proportional to 162,342.76, 224,032.35 and 90,722.76

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Solution

The fourth proportional to 162,342.76, 224,032.35 and 90,722.76 is: 125,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,342.76 : 224,032.35 = 90,722.76 : x
  2. Step 2: Convert to fraction form
    162,342.76/224,032.35 = 90,722.76/x
  3. Step 3: Cross multiply
    162,342.76x = 224,032.35 × 90,722.76
  4. Step 4: Simplify right side
    162,342.76x = 20,324,833,121.29
  5. Step 5: Solve for x
    x = 20,324,833,121.29/162,342.76
  6. Step 6: Final answer
    x = 125,197.04

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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.