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Finding the Fourth Proportional to 345,262.50, 517,856.81 and 92,568.33

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Solution

The fourth proportional to 345,262.50, 517,856.81 and 92,568.33 is: 138,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,262.50 : 517,856.81 = 92,568.33 : x
  2. Step 2: Convert to fraction form
    345,262.50/517,856.81 = 92,568.33/x
  3. Step 3: Cross multiply
    345,262.50x = 517,856.81 × 92,568.33
  4. Step 4: Simplify right side
    345,262.50x = 47,937,139,617.99
  5. Step 5: Solve for x
    x = 47,937,139,617.99/345,262.50
  6. Step 6: Final answer
    x = 138,842.59

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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.