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Finding the Fourth Proportional to 90,959.64, 125,524.56 and 52,726.56

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Solution

The fourth proportional to 90,959.64, 125,524.56 and 52,726.56 is: 72,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959.64 : 125,524.56 = 52,726.56 : x
  2. Step 2: Convert to fraction form
    90,959.64/125,524.56 = 52,726.56/x
  3. Step 3: Cross multiply
    90,959.64x = 125,524.56 × 52,726.56
  4. Step 4: Simplify right side
    90,959.64x = 6,618,478,244.31
  5. Step 5: Solve for x
    x = 6,618,478,244.31/90,959.64
  6. Step 6: Final answer
    x = 72,762.80

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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.