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Finding the Fourth Proportional to 148,603.25, 222,733.19 and 68,473.71

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Solution

The fourth proportional to 148,603.25, 222,733.19 and 68,473.71 is: 102,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,603.25 : 222,733.19 = 68,473.71 : x
  2. Step 2: Convert to fraction form
    148,603.25/222,733.19 = 68,473.71/x
  3. Step 3: Cross multiply
    148,603.25x = 222,733.19 × 68,473.71
  4. Step 4: Simplify right side
    148,603.25x = 15,251,368,030.62
  5. Step 5: Solve for x
    x = 15,251,368,030.62/148,603.25
  6. Step 6: Final answer
    x = 102,631.46

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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.