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Finding the Fourth Proportional to 117,601.64, 162,293.22 and 63,886.64

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Solution

The fourth proportional to 117,601.64, 162,293.22 and 63,886.64 is: 88,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,601.64 : 162,293.22 = 63,886.64 : x
  2. Step 2: Convert to fraction form
    117,601.64/162,293.22 = 63,886.64/x
  3. Step 3: Cross multiply
    117,601.64x = 162,293.22 × 63,886.64
  4. Step 4: Simplify right side
    117,601.64x = 10,368,368,520.58
  5. Step 5: Solve for x
    x = 10,368,368,520.58/117,601.64
  6. Step 6: Final answer
    x = 88,165.17

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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.