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Finding the Fourth Proportional to 90,597.59, 125,026.32 and 49,761.44

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Solution

The fourth proportional to 90,597.59, 125,026.32 and 49,761.44 is: 68,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,597.59 : 125,026.32 = 49,761.44 : x
  2. Step 2: Convert to fraction form
    90,597.59/125,026.32 = 49,761.44/x
  3. Step 3: Cross multiply
    90,597.59x = 125,026.32 × 49,761.44
  4. Step 4: Simplify right side
    90,597.59x = 6,221,489,721.10
  5. Step 5: Solve for x
    x = 6,221,489,721.10/90,597.59
  6. Step 6: Final answer
    x = 68,671.69

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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.