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Finding the Fourth Proportional to 114,750.39, 158,352.39 and 63,761.81

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Solution

The fourth proportional to 114,750.39, 158,352.39 and 63,761.81 is: 87,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,750.39 : 158,352.39 = 63,761.81 : x
  2. Step 2: Convert to fraction form
    114,750.39/158,352.39 = 63,761.81/x
  3. Step 3: Cross multiply
    114,750.39x = 158,352.39 × 63,761.81
  4. Step 4: Simplify right side
    114,750.39x = 10,096,835,004.23
  5. Step 5: Solve for x
    x = 10,096,835,004.23/114,750.39
  6. Step 6: Final answer
    x = 87,989.55

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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.