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Finding the Fourth Proportional to 114,663.33, 158,310.33 and 74,491.58

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Solution

The fourth proportional to 114,663.33, 158,310.33 and 74,491.58 is: 102,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,663.33 : 158,310.33 = 74,491.58 : x
  2. Step 2: Convert to fraction form
    114,663.33/158,310.33 = 74,491.58/x
  3. Step 3: Cross multiply
    114,663.33x = 158,310.33 × 74,491.58
  4. Step 4: Simplify right side
    114,663.33x = 11,792,786,612.02
  5. Step 5: Solve for x
    x = 11,792,786,612.02/114,663.33
  6. Step 6: Final answer
    x = 102,847.06

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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.