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Finding the Fourth Proportional to 67,234.96, 100,805.74 and 29,774.62

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Solution

The fourth proportional to 67,234.96, 100,805.74 and 29,774.62 is: 44,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,234.96 : 100,805.74 = 29,774.62 : x
  2. Step 2: Convert to fraction form
    67,234.96/100,805.74 = 29,774.62/x
  3. Step 3: Cross multiply
    67,234.96x = 100,805.74 × 29,774.62
  4. Step 4: Simplify right side
    67,234.96x = 3,001,452,602.32
  5. Step 5: Solve for x
    x = 3,001,452,602.32/67,234.96
  6. Step 6: Final answer
    x = 44,641.25

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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.