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Finding the Fourth Proportional to 240,937.02, 332,484.12 and 138,966.66

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Solution

The fourth proportional to 240,937.02, 332,484.12 and 138,966.66 is: 191,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,937.02 : 332,484.12 = 138,966.66 : x
  2. Step 2: Convert to fraction form
    240,937.02/332,484.12 = 138,966.66/x
  3. Step 3: Cross multiply
    240,937.02x = 332,484.12 × 138,966.66
  4. Step 4: Simplify right side
    240,937.02x = 46,204,207,659.44
  5. Step 5: Solve for x
    x = 46,204,207,659.44/240,937.02
  6. Step 6: Final answer
    x = 191,768.82

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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.