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Finding the Fourth Proportional to 148,250.80, 221,850.92 and 130,754.80

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Solution

The fourth proportional to 148,250.80, 221,850.92 and 130,754.80 is: 195,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,250.80 : 221,850.92 = 130,754.80 : x
  2. Step 2: Convert to fraction form
    148,250.80/221,850.92 = 130,754.80/x
  3. Step 3: Cross multiply
    148,250.80x = 221,850.92 × 130,754.80
  4. Step 4: Simplify right side
    148,250.80x = 29,008,072,674.42
  5. Step 5: Solve for x
    x = 29,008,072,674.42/148,250.80
  6. Step 6: Final answer
    x = 195,668.91

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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.