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Finding the Fourth Proportional to 67,616.80, 101,425.30 and 63,506.45

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Solution

The fourth proportional to 67,616.80, 101,425.30 and 63,506.45 is: 95,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,616.80 : 101,425.30 = 63,506.45 : x
  2. Step 2: Convert to fraction form
    67,616.80/101,425.30 = 63,506.45/x
  3. Step 3: Cross multiply
    67,616.80x = 101,425.30 × 63,506.45
  4. Step 4: Simplify right side
    67,616.80x = 6,441,160,837.98
  5. Step 5: Solve for x
    x = 6,441,160,837.98/67,616.80
  6. Step 6: Final answer
    x = 95,259.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.