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Finding the Fourth Proportional to 148,405.60, 222,608.40 and 104,082.40

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Solution

The fourth proportional to 148,405.60, 222,608.40 and 104,082.40 is: 156,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,405.60 : 222,608.40 = 104,082.40 : x
  2. Step 2: Convert to fraction form
    148,405.60/222,608.40 = 104,082.40/x
  3. Step 3: Cross multiply
    148,405.60x = 222,608.40 × 104,082.40
  4. Step 4: Simplify right side
    148,405.60x = 23,169,616,532.16
  5. Step 5: Solve for x
    x = 23,169,616,532.16/148,405.60
  6. Step 6: Final answer
    x = 156,123.60

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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.