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Finding the Fourth Proportional to 147,462.86, 203,498.85 and 80,394.86

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Solution

The fourth proportional to 147,462.86, 203,498.85 and 80,394.86 is: 110,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,462.86 : 203,498.85 = 80,394.86 : x
  2. Step 2: Convert to fraction form
    147,462.86/203,498.85 = 80,394.86/x
  3. Step 3: Cross multiply
    147,462.86x = 203,498.85 × 80,394.86
  4. Step 4: Simplify right side
    147,462.86x = 16,360,261,555.91
  5. Step 5: Solve for x
    x = 16,360,261,555.91/147,462.86
  6. Step 6: Final answer
    x = 110,944.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.