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Finding the Fourth Proportional to 169,854.90, 234,412.83 and 101,874.48

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Solution

The fourth proportional to 169,854.90, 234,412.83 and 101,874.48 is: 140,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,854.90 : 234,412.83 = 101,874.48 : x
  2. Step 2: Convert to fraction form
    169,854.90/234,412.83 = 101,874.48/x
  3. Step 3: Cross multiply
    169,854.90x = 234,412.83 × 101,874.48
  4. Step 4: Simplify right side
    169,854.90x = 23,880,685,161.58
  5. Step 5: Solve for x
    x = 23,880,685,161.58/169,854.90
  6. Step 6: Final answer
    x = 140,594.62

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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.