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Finding the Fourth Proportional to 183,280.80, 274,921.20 and 141,808.80

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Solution

The fourth proportional to 183,280.80, 274,921.20 and 141,808.80 is: 212,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,280.80 : 274,921.20 = 141,808.80 : x
  2. Step 2: Convert to fraction form
    183,280.80/274,921.20 = 141,808.80/x
  3. Step 3: Cross multiply
    183,280.80x = 274,921.20 × 141,808.80
  4. Step 4: Simplify right side
    183,280.80x = 38,986,245,466.56
  5. Step 5: Solve for x
    x = 38,986,245,466.56/183,280.80
  6. Step 6: Final answer
    x = 212,713.20

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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.