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Finding the Fourth Proportional to 563,120.12, 844,673.12 and 136,659.48

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Solution

The fourth proportional to 563,120.12, 844,673.12 and 136,659.48 is: 204,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,120.12 : 844,673.12 = 136,659.48 : x
  2. Step 2: Convert to fraction form
    563,120.12/844,673.12 = 136,659.48/x
  3. Step 3: Cross multiply
    563,120.12x = 844,673.12 × 136,659.48
  4. Step 4: Simplify right side
    563,120.12x = 115,432,589,349.18
  5. Step 5: Solve for x
    x = 115,432,589,349.18/563,120.12
  6. Step 6: Final answer
    x = 204,987.51

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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.