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Finding the Fourth Proportional to 241,331.40, 361,995.30 and 72,851.40

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Solution

The fourth proportional to 241,331.40, 361,995.30 and 72,851.40 is: 109,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,331.40 : 361,995.30 = 72,851.40 : x
  2. Step 2: Convert to fraction form
    241,331.40/361,995.30 = 72,851.40/x
  3. Step 3: Cross multiply
    241,331.40x = 361,995.30 × 72,851.40
  4. Step 4: Simplify right side
    241,331.40x = 26,371,864,398.42
  5. Step 5: Solve for x
    x = 26,371,864,398.42/241,331.40
  6. Step 6: Final answer
    x = 109,276.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.