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Finding the Fourth Proportional to 74,671.06, 103,046.04 and 41,137.06

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Solution

The fourth proportional to 74,671.06, 103,046.04 and 41,137.06 is: 56,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,671.06 : 103,046.04 = 41,137.06 : x
  2. Step 2: Convert to fraction form
    74,671.06/103,046.04 = 41,137.06/x
  3. Step 3: Cross multiply
    74,671.06x = 103,046.04 × 41,137.06
  4. Step 4: Simplify right side
    74,671.06x = 4,239,011,130.24
  5. Step 5: Solve for x
    x = 4,239,011,130.24/74,671.06
  6. Step 6: Final answer
    x = 56,769.13

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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.