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Finding the Fourth Proportional to 349,963.91, 525,029.48 and 113,306.84

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Solution

The fourth proportional to 349,963.91, 525,029.48 and 113,306.84 is: 169,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,963.91 : 525,029.48 = 113,306.84 : x
  2. Step 2: Convert to fraction form
    349,963.91/525,029.48 = 113,306.84/x
  3. Step 3: Cross multiply
    349,963.91x = 525,029.48 × 113,306.84
  4. Step 4: Simplify right side
    349,963.91x = 59,489,431,285.64
  5. Step 5: Solve for x
    x = 59,489,431,285.64/349,963.91
  6. Step 6: Final answer
    x = 169,987.33

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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.