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Finding the Fourth Proportional to 79,703.91, 119,555.91 and 44,187.03

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Solution

The fourth proportional to 79,703.91, 119,555.91 and 44,187.03 is: 66,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,703.91 : 119,555.91 = 44,187.03 : x
  2. Step 2: Convert to fraction form
    79,703.91/119,555.91 = 44,187.03/x
  3. Step 3: Cross multiply
    79,703.91x = 119,555.91 × 44,187.03
  4. Step 4: Simplify right side
    79,703.91x = 5,282,820,581.85
  5. Step 5: Solve for x
    x = 5,282,820,581.85/79,703.91
  6. Step 6: Final answer
    x = 66,280.57

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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.