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Finding the Fourth Proportional to 154,653.80, 232,002.30 and 65,906.60

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Solution

The fourth proportional to 154,653.80, 232,002.30 and 65,906.60 is: 98,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,653.80 : 232,002.30 = 65,906.60 : x
  2. Step 2: Convert to fraction form
    154,653.80/232,002.30 = 65,906.60/x
  3. Step 3: Cross multiply
    154,653.80x = 232,002.30 × 65,906.60
  4. Step 4: Simplify right side
    154,653.80x = 15,290,482,785.18
  5. Step 5: Solve for x
    x = 15,290,482,785.18/154,653.80
  6. Step 6: Final answer
    x = 98,869.10

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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.