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Finding the Fourth Proportional to 267,357.66, 368,918.54 and 159,888.48

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Solution

The fourth proportional to 267,357.66, 368,918.54 and 159,888.48 is: 220,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,357.66 : 368,918.54 = 159,888.48 : x
  2. Step 2: Convert to fraction form
    267,357.66/368,918.54 = 159,888.48/x
  3. Step 3: Cross multiply
    267,357.66x = 368,918.54 × 159,888.48
  4. Step 4: Simplify right side
    267,357.66x = 58,985,824,604.42
  5. Step 5: Solve for x
    x = 58,985,824,604.42/267,357.66
  6. Step 6: Final answer
    x = 220,625.15

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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.