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Finding the Fourth Proportional to 117,114.58, 161,617.93 and 63,399.59

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Solution

The fourth proportional to 117,114.58, 161,617.93 and 63,399.59 is: 87,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,114.58 : 161,617.93 = 63,399.59 : x
  2. Step 2: Convert to fraction form
    117,114.58/161,617.93 = 63,399.59/x
  3. Step 3: Cross multiply
    117,114.58x = 161,617.93 × 63,399.59
  4. Step 4: Simplify right side
    117,114.58x = 10,246,509,690.56
  5. Step 5: Solve for x
    x = 10,246,509,690.56/117,114.58
  6. Step 6: Final answer
    x = 87,491.33

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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.