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Finding the Fourth Proportional to 79,953.74, 110,336.28 and 44,143.78

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Solution

The fourth proportional to 79,953.74, 110,336.28 and 44,143.78 is: 60,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,953.74 : 110,336.28 = 44,143.78 : x
  2. Step 2: Convert to fraction form
    79,953.74/110,336.28 = 44,143.78/x
  3. Step 3: Cross multiply
    79,953.74x = 110,336.28 × 44,143.78
  4. Step 4: Simplify right side
    79,953.74x = 4,870,660,470.34
  5. Step 5: Solve for x
    x = 4,870,660,470.34/79,953.74
  6. Step 6: Final answer
    x = 60,918.48

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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.