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Finding the Fourth Proportional to 117,677.68, 162,396.36 and 63,962.66

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Solution

The fourth proportional to 117,677.68, 162,396.36 and 63,962.66 is: 88,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,677.68 : 162,396.36 = 63,962.66 : x
  2. Step 2: Convert to fraction form
    117,677.68/162,396.36 = 63,962.66/x
  3. Step 3: Cross multiply
    117,677.68x = 162,396.36 × 63,962.66
  4. Step 4: Simplify right side
    117,677.68x = 10,387,303,326.05
  5. Step 5: Solve for x
    x = 10,387,303,326.05/117,677.68
  6. Step 6: Final answer
    x = 88,269.10

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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.