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Finding the Fourth Proportional to 148,323.60, 223,003.80 and 145,213.20

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Solution

The fourth proportional to 148,323.60, 223,003.80 and 145,213.20 is: 218,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,323.60 : 223,003.80 = 145,213.20 : x
  2. Step 2: Convert to fraction form
    148,323.60/223,003.80 = 145,213.20/x
  3. Step 3: Cross multiply
    148,323.60x = 223,003.80 × 145,213.20
  4. Step 4: Simplify right side
    148,323.60x = 32,383,095,410.16
  5. Step 5: Solve for x
    x = 32,383,095,410.16/148,323.60
  6. Step 6: Final answer
    x = 218,327.33

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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.