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Finding the Fourth Proportional to 344,744.72, 517,117.12 and 108,108.08

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Solution

The fourth proportional to 344,744.72, 517,117.12 and 108,108.08 is: 162,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,744.72 : 517,117.12 = 108,108.08 : x
  2. Step 2: Convert to fraction form
    344,744.72/517,117.12 = 108,108.08/x
  3. Step 3: Cross multiply
    344,744.72x = 517,117.12 × 108,108.08
  4. Step 4: Simplify right side
    344,744.72x = 55,904,538,978.33
  5. Step 5: Solve for x
    x = 55,904,538,978.33/344,744.72
  6. Step 6: Final answer
    x = 162,162.13

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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.