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Finding the Fourth Proportional to 148,071, 222,129.58 and 48,207.62

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Solution

The fourth proportional to 148,071, 222,129.58 and 48,207.62 is: 72,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,071 : 222,129.58 = 48,207.62 : x
  2. Step 2: Convert to fraction form
    148,071/222,129.58 = 48,207.62/x
  3. Step 3: Cross multiply
    148,071x = 222,129.58 × 48,207.62
  4. Step 4: Simplify right side
    148,071x = 10,708,338,383.40
  5. Step 5: Solve for x
    x = 10,708,338,383.40/148,071
  6. Step 6: Final answer
    x = 72,318.94

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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.