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Finding the Fourth Proportional to 220,026.88, 303,884.76 and 148,701.52

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Solution

The fourth proportional to 220,026.88, 303,884.76 and 148,701.52 is: 205,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,026.88 : 303,884.76 = 148,701.52 : x
  2. Step 2: Convert to fraction form
    220,026.88/303,884.76 = 148,701.52/x
  3. Step 3: Cross multiply
    220,026.88x = 303,884.76 × 148,701.52
  4. Step 4: Simplify right side
    220,026.88x = 45,188,125,716.84
  5. Step 5: Solve for x
    x = 45,188,125,716.84/220,026.88
  6. Step 6: Final answer
    x = 205,375.48

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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.