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Finding the Fourth Proportional to 117,468.83, 162,107.09 and 63,753.84

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Solution

The fourth proportional to 117,468.83, 162,107.09 and 63,753.84 is: 87,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,468.83 : 162,107.09 = 63,753.84 : x
  2. Step 2: Convert to fraction form
    117,468.83/162,107.09 = 63,753.84/x
  3. Step 3: Cross multiply
    117,468.83x = 162,107.09 × 63,753.84
  4. Step 4: Simplify right side
    117,468.83x = 10,334,949,159.96
  5. Step 5: Solve for x
    x = 10,334,949,159.96/117,468.83
  6. Step 6: Final answer
    x = 87,980.36

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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.