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Finding the Fourth Proportional to 267,274.93, 368,699.59 and 165,267.79

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Solution

The fourth proportional to 267,274.93, 368,699.59 and 165,267.79 is: 227,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,274.93 : 368,699.59 = 165,267.79 : x
  2. Step 2: Convert to fraction form
    267,274.93/368,699.59 = 165,267.79/x
  3. Step 3: Cross multiply
    267,274.93x = 368,699.59 × 165,267.79
  4. Step 4: Simplify right side
    267,274.93x = 60,934,166,413.21
  5. Step 5: Solve for x
    x = 60,934,166,413.21/267,274.93
  6. Step 6: Final answer
    x = 227,983.10

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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.