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Finding the Fourth Proportional to 117,643.46, 162,343.51 and 63,927.29

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Solution

The fourth proportional to 117,643.46, 162,343.51 and 63,927.29 is: 88,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,643.46 : 162,343.51 = 63,927.29 : x
  2. Step 2: Convert to fraction form
    117,643.46/162,343.51 = 63,927.29/x
  3. Step 3: Cross multiply
    117,643.46x = 162,343.51 × 63,927.29
  4. Step 4: Simplify right side
    117,643.46x = 10,378,180,889.43
  5. Step 5: Solve for x
    x = 10,378,180,889.43/117,643.46
  6. Step 6: Final answer
    x = 88,217.24

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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.