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Finding the Fourth Proportional to 185,818.38, 278,769.11 and 59,466.21

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Solution

The fourth proportional to 185,818.38, 278,769.11 and 59,466.21 is: 89,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,818.38 : 278,769.11 = 59,466.21 : x
  2. Step 2: Convert to fraction form
    185,818.38/278,769.11 = 59,466.21/x
  3. Step 3: Cross multiply
    185,818.38x = 278,769.11 × 59,466.21
  4. Step 4: Simplify right side
    185,818.38x = 16,577,342,436.77
  5. Step 5: Solve for x
    x = 16,577,342,436.77/185,818.38
  6. Step 6: Final answer
    x = 89,212.61

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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.