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Finding the Fourth Proportional to 100,348.88, 150,494.16 and 65,473.52

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Solution

The fourth proportional to 100,348.88, 150,494.16 and 65,473.52 is: 98,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,348.88 : 150,494.16 = 65,473.52 : x
  2. Step 2: Convert to fraction form
    100,348.88/150,494.16 = 65,473.52/x
  3. Step 3: Cross multiply
    100,348.88x = 150,494.16 × 65,473.52
  4. Step 4: Simplify right side
    100,348.88x = 9,853,382,394.64
  5. Step 5: Solve for x
    x = 9,853,382,394.64/100,348.88
  6. Step 6: Final answer
    x = 98,191.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.