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Finding the Fourth Proportional to 105,010.68, 157,452.66 and 41,840.54

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Solution

The fourth proportional to 105,010.68, 157,452.66 and 41,840.54 is: 62,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,010.68 : 157,452.66 = 41,840.54 : x
  2. Step 2: Convert to fraction form
    105,010.68/157,452.66 = 41,840.54/x
  3. Step 3: Cross multiply
    105,010.68x = 157,452.66 × 41,840.54
  4. Step 4: Simplify right side
    105,010.68x = 6,587,903,531.57
  5. Step 5: Solve for x
    x = 6,587,903,531.57/105,010.68
  6. Step 6: Final answer
    x = 62,735.56

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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.