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Finding the Fourth Proportional to 117,677.70, 162,396.30 and 63,962.84

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Solution

The fourth proportional to 117,677.70, 162,396.30 and 63,962.84 is: 88,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,677.70 : 162,396.30 = 63,962.84 : x
  2. Step 2: Convert to fraction form
    117,677.70/162,396.30 = 63,962.84/x
  3. Step 3: Cross multiply
    117,677.70x = 162,396.30 × 63,962.84
  4. Step 4: Simplify right side
    117,677.70x = 10,387,328,553.49
  5. Step 5: Solve for x
    x = 10,387,328,553.49/117,677.70
  6. Step 6: Final answer
    x = 88,269.30

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1.5x scale

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.