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Finding the Fourth Proportional to 79,449.46, 119,174.19 and 20,283.01

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Solution

The fourth proportional to 79,449.46, 119,174.19 and 20,283.01 is: 30,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,449.46 : 119,174.19 = 20,283.01 : x
  2. Step 2: Convert to fraction form
    79,449.46/119,174.19 = 20,283.01/x
  3. Step 3: Cross multiply
    79,449.46x = 119,174.19 × 20,283.01
  4. Step 4: Simplify right side
    79,449.46x = 2,417,210,590.23
  5. Step 5: Solve for x
    x = 2,417,210,590.23/79,449.46
  6. Step 6: Final answer
    x = 30,424.51

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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.