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Finding the Fourth Proportional to 74,666.44, 103,039.86 and 41,132.44

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Solution

The fourth proportional to 74,666.44, 103,039.86 and 41,132.44 is: 56,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666.44 : 103,039.86 = 41,132.44 : x
  2. Step 2: Convert to fraction form
    74,666.44/103,039.86 = 41,132.44/x
  3. Step 3: Cross multiply
    74,666.44x = 103,039.86 × 41,132.44
  4. Step 4: Simplify right side
    74,666.44x = 4,238,280,859.06
  5. Step 5: Solve for x
    x = 4,238,280,859.06/74,666.44
  6. Step 6: Final answer
    x = 56,762.86

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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.