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Finding the Fourth Proportional to 267,272, 368,836.08 and 148,040

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Solution

The fourth proportional to 267,272, 368,836.08 and 148,040 is: 204,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,272 : 368,836.08 = 148,040 : x
  2. Step 2: Convert to fraction form
    267,272/368,836.08 = 148,040/x
  3. Step 3: Cross multiply
    267,272x = 368,836.08 × 148,040
  4. Step 4: Simplify right side
    267,272x = 54,602,493,283.20
  5. Step 5: Solve for x
    x = 54,602,493,283.20/267,272
  6. Step 6: Final answer
    x = 204,295.60

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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.