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Finding the Fourth Proportional to 230,212.62, 345,348.09 and 64,000.62

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Solution

The fourth proportional to 230,212.62, 345,348.09 and 64,000.62 is: 96,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,212.62 : 345,348.09 = 64,000.62 : x
  2. Step 2: Convert to fraction form
    230,212.62/345,348.09 = 64,000.62/x
  3. Step 3: Cross multiply
    230,212.62x = 345,348.09 × 64,000.62
  4. Step 4: Simplify right side
    230,212.62x = 22,102,491,875.82
  5. Step 5: Solve for x
    x = 22,102,491,875.82/230,212.62
  6. Step 6: Final answer
    x = 96,009.04

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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.