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Finding the Fourth Proportional to 74,240.87, 102,467.28 and 44,042.95

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Solution

The fourth proportional to 74,240.87, 102,467.28 and 44,042.95 is: 60,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,240.87 : 102,467.28 = 44,042.95 : x
  2. Step 2: Convert to fraction form
    74,240.87/102,467.28 = 44,042.95/x
  3. Step 3: Cross multiply
    74,240.87x = 102,467.28 × 44,042.95
  4. Step 4: Simplify right side
    74,240.87x = 4,512,961,417.76
  5. Step 5: Solve for x
    x = 4,512,961,417.76/74,240.87
  6. Step 6: Final answer
    x = 60,788.10

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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.