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Finding the Fourth Proportional to 237,266.72, 327,458.40 and 136,664.72

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Solution

The fourth proportional to 237,266.72, 327,458.40 and 136,664.72 is: 188,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,266.72 : 327,458.40 = 136,664.72 : x
  2. Step 2: Convert to fraction form
    237,266.72/327,458.40 = 136,664.72/x
  3. Step 3: Cross multiply
    237,266.72x = 327,458.40 × 136,664.72
  4. Step 4: Simplify right side
    237,266.72x = 44,752,010,547.65
  5. Step 5: Solve for x
    x = 44,752,010,547.65/237,266.72
  6. Step 6: Final answer
    x = 188,614.78

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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.