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Finding the Fourth Proportional to 114,956.84, 158,550.42 and 74,683.49

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Solution

The fourth proportional to 114,956.84, 158,550.42 and 74,683.49 is: 103,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,956.84 : 158,550.42 = 74,683.49 : x
  2. Step 2: Convert to fraction form
    114,956.84/158,550.42 = 74,683.49/x
  3. Step 3: Cross multiply
    114,956.84x = 158,550.42 × 74,683.49
  4. Step 4: Simplify right side
    114,956.84x = 11,841,098,706.57
  5. Step 5: Solve for x
    x = 11,841,098,706.57/114,956.84
  6. Step 6: Final answer
    x = 103,004.73

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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.