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Finding the Fourth Proportional to 375,371.26, 563,087.61 and 109,131.45

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Solution

The fourth proportional to 375,371.26, 563,087.61 and 109,131.45 is: 163,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,371.26 : 563,087.61 = 109,131.45 : x
  2. Step 2: Convert to fraction form
    375,371.26/563,087.61 = 109,131.45/x
  3. Step 3: Cross multiply
    375,371.26x = 563,087.61 × 109,131.45
  4. Step 4: Simplify right side
    375,371.26x = 61,450,567,356.33
  5. Step 5: Solve for x
    x = 61,450,567,356.33/375,371.26
  6. Step 6: Final answer
    x = 163,706.11

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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.