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Finding the Fourth Proportional to 117,677.68, 162,395.49 and 63,962.61

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Solution

The fourth proportional to 117,677.68, 162,395.49 and 63,962.61 is: 88,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,677.68 : 162,395.49 = 63,962.61 : x
  2. Step 2: Convert to fraction form
    117,677.68/162,395.49 = 63,962.61/x
  3. Step 3: Cross multiply
    117,677.68x = 162,395.49 × 63,962.61
  4. Step 4: Simplify right side
    117,677.68x = 10,387,239,392.63
  5. Step 5: Solve for x
    x = 10,387,239,392.63/117,677.68
  6. Step 6: Final answer
    x = 88,268.56

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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.