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Finding the Fourth Proportional to 74,886.72, 112,356 and 50,026.56

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Solution

The fourth proportional to 74,886.72, 112,356 and 50,026.56 is: 75,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.72 : 112,356 = 50,026.56 : x
  2. Step 2: Convert to fraction form
    74,886.72/112,356 = 50,026.56/x
  3. Step 3: Cross multiply
    74,886.72x = 112,356 × 50,026.56
  4. Step 4: Simplify right side
    74,886.72x = 5,620,784,175.36
  5. Step 5: Solve for x
    x = 5,620,784,175.36/74,886.72
  6. Step 6: Final answer
    x = 75,057.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.