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Finding the Fourth Proportional to 117,467.87, 162,100.11 and 63,752.41

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Solution

The fourth proportional to 117,467.87, 162,100.11 and 63,752.41 is: 87,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,467.87 : 162,100.11 = 63,752.41 : x
  2. Step 2: Convert to fraction form
    117,467.87/162,100.11 = 63,752.41/x
  3. Step 3: Cross multiply
    117,467.87x = 162,100.11 × 63,752.41
  4. Step 4: Simplify right side
    117,467.87x = 10,334,272,268.51
  5. Step 5: Solve for x
    x = 10,334,272,268.51/117,467.87
  6. Step 6: Final answer
    x = 87,975.31

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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.