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Finding the Fourth Proportional to 183,142.80, 274,276.80 and 148,150.80

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Solution

The fourth proportional to 183,142.80, 274,276.80 and 148,150.80 is: 221,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,142.80 : 274,276.80 = 148,150.80 : x
  2. Step 2: Convert to fraction form
    183,142.80/274,276.80 = 148,150.80/x
  3. Step 3: Cross multiply
    183,142.80x = 274,276.80 × 148,150.80
  4. Step 4: Simplify right side
    183,142.80x = 40,634,327,341.44
  5. Step 5: Solve for x
    x = 40,634,327,341.44/183,142.80
  6. Step 6: Final answer
    x = 221,872.37

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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.