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Finding the Fourth Proportional to 375,191.62, 562,583.31 and 135,272.86

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Solution

The fourth proportional to 375,191.62, 562,583.31 and 135,272.86 is: 202,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,191.62 : 562,583.31 = 135,272.86 : x
  2. Step 2: Convert to fraction form
    375,191.62/562,583.31 = 135,272.86/x
  3. Step 3: Cross multiply
    375,191.62x = 562,583.31 × 135,272.86
  4. Step 4: Simplify right side
    375,191.62x = 76,102,253,331.97
  5. Step 5: Solve for x
    x = 76,102,253,331.97/375,191.62
  6. Step 6: Final answer
    x = 202,835.70

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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.