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Finding the Fourth Proportional to 148,510.80, 222,744.60 and 43,318.80

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Solution

The fourth proportional to 148,510.80, 222,744.60 and 43,318.80 is: 64,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,510.80 : 222,744.60 = 43,318.80 : x
  2. Step 2: Convert to fraction form
    148,510.80/222,744.60 = 43,318.80/x
  3. Step 3: Cross multiply
    148,510.80x = 222,744.60 × 43,318.80
  4. Step 4: Simplify right side
    148,510.80x = 9,649,028,778.48
  5. Step 5: Solve for x
    x = 9,649,028,778.48/148,510.80
  6. Step 6: Final answer
    x = 64,971.90

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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.