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Finding the Fourth Proportional to 113,960.38, 157,280.01 and 68,661.94

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Solution

The fourth proportional to 113,960.38, 157,280.01 and 68,661.94 is: 94,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,960.38 : 157,280.01 = 68,661.94 : x
  2. Step 2: Convert to fraction form
    113,960.38/157,280.01 = 68,661.94/x
  3. Step 3: Cross multiply
    113,960.38x = 157,280.01 × 68,661.94
  4. Step 4: Simplify right side
    113,960.38x = 10,799,150,609.82
  5. Step 5: Solve for x
    x = 10,799,150,609.82/113,960.38
  6. Step 6: Final answer
    x = 94,762.33

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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.