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Finding the Fourth Proportional to 111,298.88, 153,591.36 and 60,310.44

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Solution

The fourth proportional to 111,298.88, 153,591.36 and 60,310.44 is: 83,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,298.88 : 153,591.36 = 60,310.44 : x
  2. Step 2: Convert to fraction form
    111,298.88/153,591.36 = 60,310.44/x
  3. Step 3: Cross multiply
    111,298.88x = 153,591.36 × 60,310.44
  4. Step 4: Simplify right side
    111,298.88x = 9,263,162,501.80
  5. Step 5: Solve for x
    x = 9,263,162,501.80/111,298.88
  6. Step 6: Final answer
    x = 83,227.81

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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.