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Finding the Fourth Proportional to 267,298.50, 368,871.80 and 159,868.53

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Solution

The fourth proportional to 267,298.50, 368,871.80 and 159,868.53 is: 220,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,298.50 : 368,871.80 = 159,868.53 : x
  2. Step 2: Convert to fraction form
    267,298.50/368,871.80 = 159,868.53/x
  3. Step 3: Cross multiply
    267,298.50x = 368,871.80 × 159,868.53
  4. Step 4: Simplify right side
    267,298.50x = 58,970,992,424.45
  5. Step 5: Solve for x
    x = 58,970,992,424.45/267,298.50
  6. Step 6: Final answer
    x = 220,618.49

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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.