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Finding the Fourth Proportional to 124,663.34, 172,035.26 and 73,694.44

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Solution

The fourth proportional to 124,663.34, 172,035.26 and 73,694.44 is: 101,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,663.34 : 172,035.26 = 73,694.44 : x
  2. Step 2: Convert to fraction form
    124,663.34/172,035.26 = 73,694.44/x
  3. Step 3: Cross multiply
    124,663.34x = 172,035.26 × 73,694.44
  4. Step 4: Simplify right side
    124,663.34x = 12,678,042,145.95
  5. Step 5: Solve for x
    x = 12,678,042,145.95/124,663.34
  6. Step 6: Final answer
    x = 101,698.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.