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Finding the Fourth Proportional to 74,753.88, 103,159.98 and 41,219.88

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Solution

The fourth proportional to 74,753.88, 103,159.98 and 41,219.88 is: 56,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,753.88 : 103,159.98 = 41,219.88 : x
  2. Step 2: Convert to fraction form
    74,753.88/103,159.98 = 41,219.88/x
  3. Step 3: Cross multiply
    74,753.88x = 103,159.98 × 41,219.88
  4. Step 4: Simplify right side
    74,753.88x = 4,252,241,996.40
  5. Step 5: Solve for x
    x = 4,252,241,996.40/74,753.88
  6. Step 6: Final answer
    x = 56,883.23

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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.