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Finding the Fourth Proportional to 375,958.29, 563,928.05 and 109,721.10

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Solution

The fourth proportional to 375,958.29, 563,928.05 and 109,721.10 is: 164,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,958.29 : 563,928.05 = 109,721.10 : x
  2. Step 2: Convert to fraction form
    375,958.29/563,928.05 = 109,721.10/x
  3. Step 3: Cross multiply
    375,958.29x = 563,928.05 × 109,721.10
  4. Step 4: Simplify right side
    375,958.29x = 61,874,805,418.25
  5. Step 5: Solve for x
    x = 61,874,805,418.25/375,958.29
  6. Step 6: Final answer
    x = 164,578.91

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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.