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Finding the Fourth Proportional to 79,392.98, 119,082.21 and 26,802.92

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Solution

The fourth proportional to 79,392.98, 119,082.21 and 26,802.92 is: 40,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,392.98 : 119,082.21 = 26,802.92 : x
  2. Step 2: Convert to fraction form
    79,392.98/119,082.21 = 26,802.92/x
  3. Step 3: Cross multiply
    79,392.98x = 119,082.21 × 26,802.92
  4. Step 4: Simplify right side
    79,392.98x = 3,191,750,948.05
  5. Step 5: Solve for x
    x = 3,191,750,948.05/79,392.98
  6. Step 6: Final answer
    x = 40,201.93

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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.