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Finding the Fourth Proportional to 234,005.40, 351,064.80 and 67,793.40

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Solution

The fourth proportional to 234,005.40, 351,064.80 and 67,793.40 is: 101,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,005.40 : 351,064.80 = 67,793.40 : x
  2. Step 2: Convert to fraction form
    234,005.40/351,064.80 = 67,793.40/x
  3. Step 3: Cross multiply
    234,005.40x = 351,064.80 × 67,793.40
  4. Step 4: Simplify right side
    234,005.40x = 23,799,876,412.32
  5. Step 5: Solve for x
    x = 23,799,876,412.32/234,005.40
  6. Step 6: Final answer
    x = 101,706.53

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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.