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Finding the Fourth Proportional to 149,007.72, 205,546.49 and 88,597.85

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Solution

The fourth proportional to 149,007.72, 205,546.49 and 88,597.85 is: 122,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,007.72 : 205,546.49 = 88,597.85 : x
  2. Step 2: Convert to fraction form
    149,007.72/205,546.49 = 88,597.85/x
  3. Step 3: Cross multiply
    149,007.72x = 205,546.49 × 88,597.85
  4. Step 4: Simplify right side
    149,007.72x = 18,210,975,618.32
  5. Step 5: Solve for x
    x = 18,210,975,618.32/149,007.72
  6. Step 6: Final answer
    x = 122,214.98

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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.