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Finding the Fourth Proportional to 148,804.36, 205,344.15 and 88,373.44

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Solution

The fourth proportional to 148,804.36, 205,344.15 and 88,373.44 is: 121,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,804.36 : 205,344.15 = 88,373.44 : x
  2. Step 2: Convert to fraction form
    148,804.36/205,344.15 = 88,373.44/x
  3. Step 3: Cross multiply
    148,804.36x = 205,344.15 × 88,373.44
  4. Step 4: Simplify right side
    148,804.36x = 18,146,968,919.38
  5. Step 5: Solve for x
    x = 18,146,968,919.38/148,804.36
  6. Step 6: Final answer
    x = 121,951.86

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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.