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Finding the Fourth Proportional to 117,649.35, 162,356.31 and 63,935.01

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Solution

The fourth proportional to 117,649.35, 162,356.31 and 63,935.01 is: 88,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,649.35 : 162,356.31 = 63,935.01 : x
  2. Step 2: Convert to fraction form
    117,649.35/162,356.31 = 63,935.01/x
  3. Step 3: Cross multiply
    117,649.35x = 162,356.31 × 63,935.01
  4. Step 4: Simplify right side
    117,649.35x = 10,380,252,303.41
  5. Step 5: Solve for x
    x = 10,380,252,303.41/117,649.35
  6. Step 6: Final answer
    x = 88,230.43

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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.