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Finding the Fourth Proportional to 243,754.55, 365,718.42 and 108,806.39

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Solution

The fourth proportional to 243,754.55, 365,718.42 and 108,806.39 is: 163,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,754.55 : 365,718.42 = 108,806.39 : x
  2. Step 2: Convert to fraction form
    243,754.55/365,718.42 = 108,806.39/x
  3. Step 3: Cross multiply
    243,754.55x = 365,718.42 × 108,806.39
  4. Step 4: Simplify right side
    243,754.55x = 39,792,498,664.08
  5. Step 5: Solve for x
    x = 39,792,498,664.08/243,754.55
  6. Step 6: Final answer
    x = 163,248.23

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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.