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Finding the Fourth Proportional to 162,806.46, 244,585.16 and 156,080.55

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Solution

The fourth proportional to 162,806.46, 244,585.16 and 156,080.55 is: 234,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,806.46 : 244,585.16 = 156,080.55 : x
  2. Step 2: Convert to fraction form
    162,806.46/244,585.16 = 156,080.55/x
  3. Step 3: Cross multiply
    162,806.46x = 244,585.16 × 156,080.55
  4. Step 4: Simplify right side
    162,806.46x = 38,174,985,514.24
  5. Step 5: Solve for x
    x = 38,174,985,514.24/162,806.46
  6. Step 6: Final answer
    x = 234,480.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.