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Finding the Fourth Proportional to 162,227.66, 243,200.48 and 77,945.54

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Solution

The fourth proportional to 162,227.66, 243,200.48 and 77,945.54 is: 116,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,227.66 : 243,200.48 = 77,945.54 : x
  2. Step 2: Convert to fraction form
    162,227.66/243,200.48 = 77,945.54/x
  3. Step 3: Cross multiply
    162,227.66x = 243,200.48 × 77,945.54
  4. Step 4: Simplify right side
    162,227.66x = 18,956,392,741.86
  5. Step 5: Solve for x
    x = 18,956,392,741.86/162,227.66
  6. Step 6: Final answer
    x = 116,850.56

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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.