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Finding the Fourth Proportional to 154,244.20, 231,452.70 and 65,482.60

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Solution

The fourth proportional to 154,244.20, 231,452.70 and 65,482.60 is: 98,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,244.20 : 231,452.70 = 65,482.60 : x
  2. Step 2: Convert to fraction form
    154,244.20/231,452.70 = 65,482.60/x
  3. Step 3: Cross multiply
    154,244.20x = 231,452.70 × 65,482.60
  4. Step 4: Simplify right side
    154,244.20x = 15,156,124,573.02
  5. Step 5: Solve for x
    x = 15,156,124,573.02/154,244.20
  6. Step 6: Final answer
    x = 98,260.58

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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.