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Finding the Fourth Proportional to 77,967.63, 116,951.46 and 25,377.12

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Solution

The fourth proportional to 77,967.63, 116,951.46 and 25,377.12 is: 38,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,967.63 : 116,951.46 = 25,377.12 : x
  2. Step 2: Convert to fraction form
    77,967.63/116,951.46 = 25,377.12/x
  3. Step 3: Cross multiply
    77,967.63x = 116,951.46 × 25,377.12
  4. Step 4: Simplify right side
    77,967.63x = 2,967,891,234.60
  5. Step 5: Solve for x
    x = 2,967,891,234.60/77,967.63
  6. Step 6: Final answer
    x = 38,065.68

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Similar ratio
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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.