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Finding the Fourth Proportional to 243,793.89, 336,471.48 and 148,282.11

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Solution

The fourth proportional to 243,793.89, 336,471.48 and 148,282.11 is: 204,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,793.89 : 336,471.48 = 148,282.11 : x
  2. Step 2: Convert to fraction form
    243,793.89/336,471.48 = 148,282.11/x
  3. Step 3: Cross multiply
    243,793.89x = 336,471.48 × 148,282.11
  4. Step 4: Simplify right side
    243,793.89x = 49,892,701,009.22
  5. Step 5: Solve for x
    x = 49,892,701,009.22/243,793.89
  6. Step 6: Final answer
    x = 204,651.15

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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.