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Finding the Fourth Proportional to 162,149.32, 243,229.45 and 43,821.69

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Solution

The fourth proportional to 162,149.32, 243,229.45 and 43,821.69 is: 65,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,149.32 : 243,229.45 = 43,821.69 : x
  2. Step 2: Convert to fraction form
    162,149.32/243,229.45 = 43,821.69/x
  3. Step 3: Cross multiply
    162,149.32x = 243,229.45 × 43,821.69
  4. Step 4: Simplify right side
    162,149.32x = 10,658,725,556.77
  5. Step 5: Solve for x
    x = 10,658,725,556.77/162,149.32
  6. Step 6: Final answer
    x = 65,734.01

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1.5x scale

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.