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Finding the Fourth Proportional to 243,310.20, 364,855.95 and 93,500.70

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Solution

The fourth proportional to 243,310.20, 364,855.95 and 93,500.70 is: 140,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,310.20 : 364,855.95 = 93,500.70 : x
  2. Step 2: Convert to fraction form
    243,310.20/364,855.95 = 93,500.70/x
  3. Step 3: Cross multiply
    243,310.20x = 364,855.95 × 93,500.70
  4. Step 4: Simplify right side
    243,310.20x = 34,114,286,724.17
  5. Step 5: Solve for x
    x = 34,114,286,724.17/243,310.20
  6. Step 6: Final answer
    x = 140,209.03

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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.