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Finding the Fourth Proportional to 148,402.40, 222,603.60 and 101,400.80

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Solution

The fourth proportional to 148,402.40, 222,603.60 and 101,400.80 is: 152,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,402.40 : 222,603.60 = 101,400.80 : x
  2. Step 2: Convert to fraction form
    148,402.40/222,603.60 = 101,400.80/x
  3. Step 3: Cross multiply
    148,402.40x = 222,603.60 × 101,400.80
  4. Step 4: Simplify right side
    148,402.40x = 22,572,183,122.88
  5. Step 5: Solve for x
    x = 22,572,183,122.88/148,402.40
  6. Step 6: Final answer
    x = 152,101.20

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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.