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Finding the Fourth Proportional to 75,794.43, 113,724.47 and 40,693.08

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Solution

The fourth proportional to 75,794.43, 113,724.47 and 40,693.08 is: 61,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,794.43 : 113,724.47 = 40,693.08 : x
  2. Step 2: Convert to fraction form
    75,794.43/113,724.47 = 40,693.08/x
  3. Step 3: Cross multiply
    75,794.43x = 113,724.47 × 40,693.08
  4. Step 4: Simplify right side
    75,794.43x = 4,627,798,752.20
  5. Step 5: Solve for x
    x = 4,627,798,752.20/75,794.43
  6. Step 6: Final answer
    x = 61,057.24

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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.