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Finding the Fourth Proportional to 149,250.56, 205,960.88 and 88,807.28

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Solution

The fourth proportional to 149,250.56, 205,960.88 and 88,807.28 is: 122,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,250.56 : 205,960.88 = 88,807.28 : x
  2. Step 2: Convert to fraction form
    149,250.56/205,960.88 = 88,807.28/x
  3. Step 3: Cross multiply
    149,250.56x = 205,960.88 × 88,807.28
  4. Step 4: Simplify right side
    149,250.56x = 18,290,825,539.21
  5. Step 5: Solve for x
    x = 18,290,825,539.21/149,250.56
  6. Step 6: Final answer
    x = 122,551.14

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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.