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Finding the Fourth Proportional to 220,039.04, 330,106.48 and 125,314

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Solution

The fourth proportional to 220,039.04, 330,106.48 and 125,314 is: 187,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,039.04 : 330,106.48 = 125,314 : x
  2. Step 2: Convert to fraction form
    220,039.04/330,106.48 = 125,314/x
  3. Step 3: Cross multiply
    220,039.04x = 330,106.48 × 125,314
  4. Step 4: Simplify right side
    220,039.04x = 41,366,963,434.72
  5. Step 5: Solve for x
    x = 41,366,963,434.72/220,039.04
  6. Step 6: Final answer
    x = 187,998.29

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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.