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Finding the Fourth Proportional to 105,040.87, 157,570.92 and 41,845.68

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Solution

The fourth proportional to 105,040.87, 157,570.92 and 41,845.68 is: 62,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040.87 : 157,570.92 = 41,845.68 : x
  2. Step 2: Convert to fraction form
    105,040.87/157,570.92 = 41,845.68/x
  3. Step 3: Cross multiply
    105,040.87x = 157,570.92 × 41,845.68
  4. Step 4: Simplify right side
    105,040.87x = 6,593,662,295.63
  5. Step 5: Solve for x
    x = 6,593,662,295.63/105,040.87
  6. Step 6: Final answer
    x = 62,772.35

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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.