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Finding the Fourth Proportional to 67,354.80, 101,141.55 and 45,266.10

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Solution

The fourth proportional to 67,354.80, 101,141.55 and 45,266.10 is: 67,972.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,354.80 : 101,141.55 = 45,266.10 : x
  2. Step 2: Convert to fraction form
    67,354.80/101,141.55 = 45,266.10/x
  3. Step 3: Cross multiply
    67,354.80x = 101,141.55 × 45,266.10
  4. Step 4: Simplify right side
    67,354.80x = 4,578,283,516.46
  5. Step 5: Solve for x
    x = 4,578,283,516.46/67,354.80
  6. Step 6: Final answer
    x = 67,972.64

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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.