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Finding the Fourth Proportional to 75,260.74, 112,891.26 and 19,100.74

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Solution

The fourth proportional to 75,260.74, 112,891.26 and 19,100.74 is: 28,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260.74 : 112,891.26 = 19,100.74 : x
  2. Step 2: Convert to fraction form
    75,260.74/112,891.26 = 19,100.74/x
  3. Step 3: Cross multiply
    75,260.74x = 112,891.26 × 19,100.74
  4. Step 4: Simplify right side
    75,260.74x = 2,156,306,605.53
  5. Step 5: Solve for x
    x = 2,156,306,605.53/75,260.74
  6. Step 6: Final answer
    x = 28,651.15

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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.