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Finding the Fourth Proportional to 165,047.22, 247,344.03 and 89,969.94

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Solution

The fourth proportional to 165,047.22, 247,344.03 and 89,969.94 is: 134,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,047.22 : 247,344.03 = 89,969.94 : x
  2. Step 2: Convert to fraction form
    165,047.22/247,344.03 = 89,969.94/x
  3. Step 3: Cross multiply
    165,047.22x = 247,344.03 × 89,969.94
  4. Step 4: Simplify right side
    165,047.22x = 22,253,527,538.46
  5. Step 5: Solve for x
    x = 22,253,527,538.46/165,047.22
  6. Step 6: Final answer
    x = 134,831.28

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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.