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Finding the Fourth Proportional to 104,571.76, 144,306.12 and 56,823.52

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Solution

The fourth proportional to 104,571.76, 144,306.12 and 56,823.52 is: 78,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,571.76 : 144,306.12 = 56,823.52 : x
  2. Step 2: Convert to fraction form
    104,571.76/144,306.12 = 56,823.52/x
  3. Step 3: Cross multiply
    104,571.76x = 144,306.12 × 56,823.52
  4. Step 4: Simplify right side
    104,571.76x = 8,199,981,695.94
  5. Step 5: Solve for x
    x = 8,199,981,695.94/104,571.76
  6. Step 6: Final answer
    x = 78,414.88

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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.