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Finding the Fourth Proportional to 148,906.40, 223,165.20 and 60,087.20

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Solution

The fourth proportional to 148,906.40, 223,165.20 and 60,087.20 is: 90,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,906.40 : 223,165.20 = 60,087.20 : x
  2. Step 2: Convert to fraction form
    148,906.40/223,165.20 = 60,087.20/x
  3. Step 3: Cross multiply
    148,906.40x = 223,165.20 × 60,087.20
  4. Step 4: Simplify right side
    148,906.40x = 13,409,372,005.44
  5. Step 5: Solve for x
    x = 13,409,372,005.44/148,906.40
  6. Step 6: Final answer
    x = 90,052.36

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1.5x scale

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.