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Finding the Fourth Proportional to 375,097.32, 562,704.30 and 125,721

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Solution

The fourth proportional to 375,097.32, 562,704.30 and 125,721 is: 188,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,097.32 : 562,704.30 = 125,721 : x
  2. Step 2: Convert to fraction form
    375,097.32/562,704.30 = 125,721/x
  3. Step 3: Cross multiply
    375,097.32x = 562,704.30 × 125,721
  4. Step 4: Simplify right side
    375,097.32x = 70,743,747,300.30
  5. Step 5: Solve for x
    x = 70,743,747,300.30/375,097.32
  6. Step 6: Final answer
    x = 188,601.05

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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.