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Finding the Fourth Proportional to 296,851.80, 445,277.70 and 109,936.20

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Solution

The fourth proportional to 296,851.80, 445,277.70 and 109,936.20 is: 164,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,851.80 : 445,277.70 = 109,936.20 : x
  2. Step 2: Convert to fraction form
    296,851.80/445,277.70 = 109,936.20/x
  3. Step 3: Cross multiply
    296,851.80x = 445,277.70 × 109,936.20
  4. Step 4: Simplify right side
    296,851.80x = 48,952,138,282.74
  5. Step 5: Solve for x
    x = 48,952,138,282.74/296,851.80
  6. Step 6: Final answer
    x = 164,904.30

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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.