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Finding the Fourth Proportional to 77,673.46, 107,225.46 and 58,560.96

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Solution

The fourth proportional to 77,673.46, 107,225.46 and 58,560.96 is: 80,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.46 : 107,225.46 = 58,560.96 : x
  2. Step 2: Convert to fraction form
    77,673.46/107,225.46 = 58,560.96/x
  3. Step 3: Cross multiply
    77,673.46x = 107,225.46 × 58,560.96
  4. Step 4: Simplify right side
    77,673.46x = 6,279,225,874.04
  5. Step 5: Solve for x
    x = 6,279,225,874.04/77,673.46
  6. Step 6: Final answer
    x = 80,841.33

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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.