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Finding the Fourth Proportional to 163,350.90, 225,828.54 and 161,854.74

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Solution

The fourth proportional to 163,350.90, 225,828.54 and 161,854.74 is: 223,760.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,350.90 : 225,828.54 = 161,854.74 : x
  2. Step 2: Convert to fraction form
    163,350.90/225,828.54 = 161,854.74/x
  3. Step 3: Cross multiply
    163,350.90x = 225,828.54 × 161,854.74
  4. Step 4: Simplify right side
    163,350.90x = 36,551,419,626.28
  5. Step 5: Solve for x
    x = 36,551,419,626.28/163,350.90
  6. Step 6: Final answer
    x = 223,760.14

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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.