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Finding the Fourth Proportional to 113,794.87, 157,036.82 and 63,493.87

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Solution

The fourth proportional to 113,794.87, 157,036.82 and 63,493.87 is: 87,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,794.87 : 157,036.82 = 63,493.87 : x
  2. Step 2: Convert to fraction form
    113,794.87/157,036.82 = 63,493.87/x
  3. Step 3: Cross multiply
    113,794.87x = 157,036.82 × 63,493.87
  4. Step 4: Simplify right side
    113,794.87x = 9,970,875,434.29
  5. Step 5: Solve for x
    x = 9,970,875,434.29/113,794.87
  6. Step 6: Final answer
    x = 87,621.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.