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Finding the Fourth Proportional to 105,006.93, 157,447.05 and 41,836.79

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Solution

The fourth proportional to 105,006.93, 157,447.05 and 41,836.79 is: 62,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,006.93 : 157,447.05 = 41,836.79 : x
  2. Step 2: Convert to fraction form
    105,006.93/157,447.05 = 41,836.79/x
  3. Step 3: Cross multiply
    105,006.93x = 157,447.05 × 41,836.79
  4. Step 4: Simplify right side
    105,006.93x = 6,587,079,166.97
  5. Step 5: Solve for x
    x = 6,587,079,166.97/105,006.93
  6. Step 6: Final answer
    x = 62,729.95

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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.