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Finding the Fourth Proportional to 74,788.77, 112,182.96 and 27,407.42

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Solution

The fourth proportional to 74,788.77, 112,182.96 and 27,407.42 is: 41,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,788.77 : 112,182.96 = 27,407.42 : x
  2. Step 2: Convert to fraction form
    74,788.77/112,182.96 = 27,407.42/x
  3. Step 3: Cross multiply
    74,788.77x = 112,182.96 × 27,407.42
  4. Step 4: Simplify right side
    74,788.77x = 3,074,645,501.56
  5. Step 5: Solve for x
    x = 3,074,645,501.56/74,788.77
  6. Step 6: Final answer
    x = 41,111.06

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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.