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Finding the Fourth Proportional to 344,578.66, 516,826.95 and 91,878.10

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Solution

The fourth proportional to 344,578.66, 516,826.95 and 91,878.10 is: 137,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,578.66 : 516,826.95 = 91,878.10 : x
  2. Step 2: Convert to fraction form
    344,578.66/516,826.95 = 91,878.10/x
  3. Step 3: Cross multiply
    344,578.66x = 516,826.95 × 91,878.10
  4. Step 4: Simplify right side
    344,578.66x = 47,485,078,194.80
  5. Step 5: Solve for x
    x = 47,485,078,194.80/344,578.66
  6. Step 6: Final answer
    x = 137,806.21

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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.