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Finding the Fourth Proportional to 74,652.53, 103,020.47 and 41,118.53

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Solution

The fourth proportional to 74,652.53, 103,020.47 and 41,118.53 is: 56,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,652.53 : 103,020.47 = 41,118.53 : x
  2. Step 2: Convert to fraction form
    74,652.53/103,020.47 = 41,118.53/x
  3. Step 3: Cross multiply
    74,652.53x = 103,020.47 × 41,118.53
  4. Step 4: Simplify right side
    74,652.53x = 4,236,049,565.61
  5. Step 5: Solve for x
    x = 4,236,049,565.61/74,652.53
  6. Step 6: Final answer
    x = 56,743.55

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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.