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Finding the Fourth Proportional to 218,117.10, 327,175.65 and 158,630.70

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Solution

The fourth proportional to 218,117.10, 327,175.65 and 158,630.70 is: 237,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,117.10 : 327,175.65 = 158,630.70 : x
  2. Step 2: Convert to fraction form
    218,117.10/327,175.65 = 158,630.70/x
  3. Step 3: Cross multiply
    218,117.10x = 327,175.65 × 158,630.70
  4. Step 4: Simplify right side
    218,117.10x = 51,900,102,382.46
  5. Step 5: Solve for x
    x = 51,900,102,382.46/218,117.10
  6. Step 6: Final answer
    x = 237,946.05

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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.