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Finding the Fourth Proportional to 72,374.74, 99,877.14 and 44,080.43

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Solution

The fourth proportional to 72,374.74, 99,877.14 and 44,080.43 is: 60,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,374.74 : 99,877.14 = 44,080.43 : x
  2. Step 2: Convert to fraction form
    72,374.74/99,877.14 = 44,080.43/x
  3. Step 3: Cross multiply
    72,374.74x = 99,877.14 × 44,080.43
  4. Step 4: Simplify right side
    72,374.74x = 4,402,626,778.98
  5. Step 5: Solve for x
    x = 4,402,626,778.98/72,374.74
  6. Step 6: Final answer
    x = 60,830.99

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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.