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Finding the Fourth Proportional to 246,709.98, 340,353.61 and 144,766.62

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Solution

The fourth proportional to 246,709.98, 340,353.61 and 144,766.62 is: 199,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,709.98 : 340,353.61 = 144,766.62 : x
  2. Step 2: Convert to fraction form
    246,709.98/340,353.61 = 144,766.62/x
  3. Step 3: Cross multiply
    246,709.98x = 340,353.61 × 144,766.62
  4. Step 4: Simplify right side
    246,709.98x = 49,271,841,000.67
  5. Step 5: Solve for x
    x = 49,271,841,000.67/246,709.98
  6. Step 6: Final answer
    x = 199,715.64

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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.