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Finding the Fourth Proportional to 79,589.50, 119,089.77 and 48,017.86

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Solution

The fourth proportional to 79,589.50, 119,089.77 and 48,017.86 is: 71,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,589.50 : 119,089.77 = 48,017.86 : x
  2. Step 2: Convert to fraction form
    79,589.50/119,089.77 = 48,017.86/x
  3. Step 3: Cross multiply
    79,589.50x = 119,089.77 × 48,017.86
  4. Step 4: Simplify right side
    79,589.50x = 5,718,435,903.29
  5. Step 5: Solve for x
    x = 5,718,435,903.29/79,589.50
  6. Step 6: Final answer
    x = 71,849.12

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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.