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Finding the Fourth Proportional to 79,608.14, 119,403.06 and 29,689.86

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Solution

The fourth proportional to 79,608.14, 119,403.06 and 29,689.86 is: 44,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,608.14 : 119,403.06 = 29,689.86 : x
  2. Step 2: Convert to fraction form
    79,608.14/119,403.06 = 29,689.86/x
  3. Step 3: Cross multiply
    79,608.14x = 119,403.06 × 29,689.86
  4. Step 4: Simplify right side
    79,608.14x = 3,545,060,134.97
  5. Step 5: Solve for x
    x = 3,545,060,134.97/79,608.14
  6. Step 6: Final answer
    x = 44,531.38

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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.