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Finding the Fourth Proportional to 90,959.97, 125,524.84 and 50,673.83

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Solution

The fourth proportional to 90,959.97, 125,524.84 and 50,673.83 is: 69,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959.97 : 125,524.84 = 50,673.83 : x
  2. Step 2: Convert to fraction form
    90,959.97/125,524.84 = 50,673.83/x
  3. Step 3: Cross multiply
    90,959.97x = 125,524.84 × 50,673.83
  4. Step 4: Simplify right side
    90,959.97x = 6,360,824,590.06
  5. Step 5: Solve for x
    x = 6,360,824,590.06/90,959.97
  6. Step 6: Final answer
    x = 69,929.93

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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.