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Finding the Fourth Proportional to 79,473.52, 119,210.33 and 20,309.24

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Solution

The fourth proportional to 79,473.52, 119,210.33 and 20,309.24 is: 30,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,473.52 : 119,210.33 = 20,309.24 : x
  2. Step 2: Convert to fraction form
    79,473.52/119,210.33 = 20,309.24/x
  3. Step 3: Cross multiply
    79,473.52x = 119,210.33 × 20,309.24
  4. Step 4: Simplify right side
    79,473.52x = 2,421,071,151.68
  5. Step 5: Solve for x
    x = 2,421,071,151.68/79,473.52
  6. Step 6: Final answer
    x = 30,463.87

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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.