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Finding the Fourth Proportional to 155,422.80, 233,134.20 and 146,674.80

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Solution

The fourth proportional to 155,422.80, 233,134.20 and 146,674.80 is: 220,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,422.80 : 233,134.20 = 146,674.80 : x
  2. Step 2: Convert to fraction form
    155,422.80/233,134.20 = 146,674.80/x
  3. Step 3: Cross multiply
    155,422.80x = 233,134.20 × 146,674.80
  4. Step 4: Simplify right side
    155,422.80x = 34,194,912,158.16
  5. Step 5: Solve for x
    x = 34,194,912,158.16/155,422.80
  6. Step 6: Final answer
    x = 220,012.20

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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.