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Finding the Fourth Proportional to 243,843.02, 365,727.58 and 66,363.86

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Solution

The fourth proportional to 243,843.02, 365,727.58 and 66,363.86 is: 99,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,843.02 : 365,727.58 = 66,363.86 : x
  2. Step 2: Convert to fraction form
    243,843.02/365,727.58 = 66,363.86/x
  3. Step 3: Cross multiply
    243,843.02x = 365,727.58 × 66,363.86
  4. Step 4: Simplify right side
    243,843.02x = 24,271,094,665.67
  5. Step 5: Solve for x
    x = 24,271,094,665.67/243,843.02
  6. Step 6: Final answer
    x = 99,535.74

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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.