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Finding the Fourth Proportional to 79,763.44, 119,648.40 and 35,381.92

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Solution

The fourth proportional to 79,763.44, 119,648.40 and 35,381.92 is: 53,074.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763.44 : 119,648.40 = 35,381.92 : x
  2. Step 2: Convert to fraction form
    79,763.44/119,648.40 = 35,381.92/x
  3. Step 3: Cross multiply
    79,763.44x = 119,648.40 × 35,381.92
  4. Step 4: Simplify right side
    79,763.44x = 4,233,390,116.93
  5. Step 5: Solve for x
    x = 4,233,390,116.93/79,763.44
  6. Step 6: Final answer
    x = 53,074.32

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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.