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Finding the Fourth Proportional to 75,144.72, 112,758.56 and 41,883.51

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Solution

The fourth proportional to 75,144.72, 112,758.56 and 41,883.51 is: 62,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144.72 : 112,758.56 = 41,883.51 : x
  2. Step 2: Convert to fraction form
    75,144.72/112,758.56 = 41,883.51/x
  3. Step 3: Cross multiply
    75,144.72x = 112,758.56 × 41,883.51
  4. Step 4: Simplify right side
    75,144.72x = 4,722,724,275.35
  5. Step 5: Solve for x
    x = 4,722,724,275.35/75,144.72
  6. Step 6: Final answer
    x = 62,848.38

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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.