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Finding the Fourth Proportional to 79,763.36, 119,600.40 and 37,023.20

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Solution

The fourth proportional to 79,763.36, 119,600.40 and 37,023.20 is: 55,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763.36 : 119,600.40 = 37,023.20 : x
  2. Step 2: Convert to fraction form
    79,763.36/119,600.40 = 37,023.20/x
  3. Step 3: Cross multiply
    79,763.36x = 119,600.40 × 37,023.20
  4. Step 4: Simplify right side
    79,763.36x = 4,427,989,529.28
  5. Step 5: Solve for x
    x = 4,427,989,529.28/79,763.36
  6. Step 6: Final answer
    x = 55,514.08

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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.