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Finding the Fourth Proportional to 77,818.73, 116,540.99 and 44,437.61

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Solution

The fourth proportional to 77,818.73, 116,540.99 and 44,437.61 is: 66,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,818.73 : 116,540.99 = 44,437.61 : x
  2. Step 2: Convert to fraction form
    77,818.73/116,540.99 = 44,437.61/x
  3. Step 3: Cross multiply
    77,818.73x = 116,540.99 × 44,437.61
  4. Step 4: Simplify right side
    77,818.73x = 5,178,802,257.74
  5. Step 5: Solve for x
    x = 5,178,802,257.74/77,818.73
  6. Step 6: Final answer
    x = 66,549.56

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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.