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Finding the Fourth Proportional to 267,344.48, 368,930.96 and 146,484.64

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Solution

The fourth proportional to 267,344.48, 368,930.96 and 146,484.64 is: 202,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,344.48 : 368,930.96 = 146,484.64 : x
  2. Step 2: Convert to fraction form
    267,344.48/368,930.96 = 146,484.64/x
  3. Step 3: Cross multiply
    267,344.48x = 368,930.96 × 146,484.64
  4. Step 4: Simplify right side
    267,344.48x = 54,042,718,860.45
  5. Step 5: Solve for x
    x = 54,042,718,860.45/267,344.48
  6. Step 6: Final answer
    x = 202,146.38

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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.