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Finding the Fourth Proportional to 89,270.88, 123,197.28 and 48,986.28

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Solution

The fourth proportional to 89,270.88, 123,197.28 and 48,986.28 is: 67,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,270.88 : 123,197.28 = 48,986.28 : x
  2. Step 2: Convert to fraction form
    89,270.88/123,197.28 = 48,986.28/x
  3. Step 3: Cross multiply
    89,270.88x = 123,197.28 × 48,986.28
  4. Step 4: Simplify right side
    89,270.88x = 6,034,976,453.32
  5. Step 5: Solve for x
    x = 6,034,976,453.32/89,270.88
  6. Step 6: Final answer
    x = 67,602.97

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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.