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Finding the Fourth Proportional to 245,017.62, 367,538.98 and 67,520.70

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Solution

The fourth proportional to 245,017.62, 367,538.98 and 67,520.70 is: 101,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,017.62 : 367,538.98 = 67,520.70 : x
  2. Step 2: Convert to fraction form
    245,017.62/367,538.98 = 67,520.70/x
  3. Step 3: Cross multiply
    245,017.62x = 367,538.98 × 67,520.70
  4. Step 4: Simplify right side
    245,017.62x = 24,816,489,206.89
  5. Step 5: Solve for x
    x = 24,816,489,206.89/245,017.62
  6. Step 6: Final answer
    x = 101,284.51

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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.