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Finding the Fourth Proportional to 375,293.91, 562,999.20 and 126,034.23

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Solution

The fourth proportional to 375,293.91, 562,999.20 and 126,034.23 is: 189,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,293.91 : 562,999.20 = 126,034.23 : x
  2. Step 2: Convert to fraction form
    375,293.91/562,999.20 = 126,034.23/x
  3. Step 3: Cross multiply
    375,293.91x = 562,999.20 × 126,034.23
  4. Step 4: Simplify right side
    375,293.91x = 70,957,170,662.62
  5. Step 5: Solve for x
    x = 70,957,170,662.62/375,293.91
  6. Step 6: Final answer
    x = 189,070.94

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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.