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Finding the Fourth Proportional to 349,979.72, 525,046.13 and 113,346.32

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Solution

The fourth proportional to 349,979.72, 525,046.13 and 113,346.32 is: 170,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,979.72 : 525,046.13 = 113,346.32 : x
  2. Step 2: Convert to fraction form
    349,979.72/525,046.13 = 113,346.32/x
  3. Step 3: Cross multiply
    349,979.72x = 525,046.13 × 113,346.32
  4. Step 4: Simplify right side
    349,979.72x = 59,512,044,323.88
  5. Step 5: Solve for x
    x = 59,512,044,323.88/349,979.72
  6. Step 6: Final answer
    x = 170,044.27

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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.