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Finding the Fourth Proportional to 375,097.20, 562,704.11 and 125,720.88

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Solution

The fourth proportional to 375,097.20, 562,704.11 and 125,720.88 is: 188,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,097.20 : 562,704.11 = 125,720.88 : x
  2. Step 2: Convert to fraction form
    375,097.20/562,704.11 = 125,720.88/x
  3. Step 3: Cross multiply
    375,097.20x = 562,704.11 × 125,720.88
  4. Step 4: Simplify right side
    375,097.20x = 70,743,655,888.82
  5. Step 5: Solve for x
    x = 70,743,655,888.82/375,097.20
  6. Step 6: Final answer
    x = 188,600.86

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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.