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Finding the Fourth Proportional to 74,663.52, 103,035.81 and 44,449.89

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Solution

The fourth proportional to 74,663.52, 103,035.81 and 44,449.89 is: 61,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,663.52 : 103,035.81 = 44,449.89 : x
  2. Step 2: Convert to fraction form
    74,663.52/103,035.81 = 44,449.89/x
  3. Step 3: Cross multiply
    74,663.52x = 103,035.81 × 44,449.89
  4. Step 4: Simplify right side
    74,663.52x = 4,579,930,420.56
  5. Step 5: Solve for x
    x = 4,579,930,420.56/74,663.52
  6. Step 6: Final answer
    x = 61,340.94

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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.