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Finding the Fourth Proportional to 233,760.60, 350,640.90 and 145,114.20

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Solution

The fourth proportional to 233,760.60, 350,640.90 and 145,114.20 is: 217,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,760.60 : 350,640.90 = 145,114.20 : x
  2. Step 2: Convert to fraction form
    233,760.60/350,640.90 = 145,114.20/x
  3. Step 3: Cross multiply
    233,760.60x = 350,640.90 × 145,114.20
  4. Step 4: Simplify right side
    233,760.60x = 50,882,973,690.78
  5. Step 5: Solve for x
    x = 50,882,973,690.78/233,760.60
  6. Step 6: Final answer
    x = 217,671.30

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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.