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Finding the Fourth Proportional to 162,452.78, 243,679.20 and 44,141.60

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Solution

The fourth proportional to 162,452.78, 243,679.20 and 44,141.60 is: 66,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,452.78 : 243,679.20 = 44,141.60 : x
  2. Step 2: Convert to fraction form
    162,452.78/243,679.20 = 44,141.60/x
  3. Step 3: Cross multiply
    162,452.78x = 243,679.20 × 44,141.60
  4. Step 4: Simplify right side
    162,452.78x = 10,756,389,774.72
  5. Step 5: Solve for x
    x = 10,756,389,774.72/162,452.78
  6. Step 6: Final answer
    x = 66,212.41

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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.