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Finding the Fourth Proportional to 243,753.93, 365,758.38 and 99,766.62

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Solution

The fourth proportional to 243,753.93, 365,758.38 and 99,766.62 is: 149,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,753.93 : 365,758.38 = 99,766.62 : x
  2. Step 2: Convert to fraction form
    243,753.93/365,758.38 = 99,766.62/x
  3. Step 3: Cross multiply
    243,753.93x = 365,758.38 × 99,766.62
  4. Step 4: Simplify right side
    243,753.93x = 36,490,477,309.28
  5. Step 5: Solve for x
    x = 36,490,477,309.28/243,753.93
  6. Step 6: Final answer
    x = 149,702.11

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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.