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Finding the Fourth Proportional to 162,486.70, 243,680.84 and 44,142.66

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Solution

The fourth proportional to 162,486.70, 243,680.84 and 44,142.66 is: 66,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,486.70 : 243,680.84 = 44,142.66 : x
  2. Step 2: Convert to fraction form
    162,486.70/243,680.84 = 44,142.66/x
  3. Step 3: Cross multiply
    162,486.70x = 243,680.84 × 44,142.66
  4. Step 4: Simplify right side
    162,486.70x = 10,756,720,468.63
  5. Step 5: Solve for x
    x = 10,756,720,468.63/162,486.70
  6. Step 6: Final answer
    x = 66,200.62

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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.