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Finding the Fourth Proportional to 78,008.99, 107,652.42 and 44,024.72

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Solution

The fourth proportional to 78,008.99, 107,652.42 and 44,024.72 is: 60,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,008.99 : 107,652.42 = 44,024.72 : x
  2. Step 2: Convert to fraction form
    78,008.99/107,652.42 = 44,024.72/x
  3. Step 3: Cross multiply
    78,008.99x = 107,652.42 × 44,024.72
  4. Step 4: Simplify right side
    78,008.99x = 4,739,367,109.56
  5. Step 5: Solve for x
    x = 4,739,367,109.56/78,008.99
  6. Step 6: Final answer
    x = 60,754.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.