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Finding the Fourth Proportional to 162,472.54, 243,728.25 and 57,269.74

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Solution

The fourth proportional to 162,472.54, 243,728.25 and 57,269.74 is: 85,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,472.54 : 243,728.25 = 57,269.74 : x
  2. Step 2: Convert to fraction form
    162,472.54/243,728.25 = 57,269.74/x
  3. Step 3: Cross multiply
    162,472.54x = 243,728.25 × 57,269.74
  4. Step 4: Simplify right side
    162,472.54x = 13,958,253,508.16
  5. Step 5: Solve for x
    x = 13,958,253,508.16/162,472.54
  6. Step 6: Final answer
    x = 85,911.46

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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.