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Finding the Fourth Proportional to 349,967.16, 525,034.35 and 113,310.09

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Solution

The fourth proportional to 349,967.16, 525,034.35 and 113,310.09 is: 169,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,967.16 : 525,034.35 = 113,310.09 : x
  2. Step 2: Convert to fraction form
    349,967.16/525,034.35 = 113,310.09/x
  3. Step 3: Cross multiply
    349,967.16x = 525,034.35 × 113,310.09
  4. Step 4: Simplify right side
    349,967.16x = 59,491,689,451.59
  5. Step 5: Solve for x
    x = 59,491,689,451.59/349,967.16
  6. Step 6: Final answer
    x = 169,992.21

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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.