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Finding the Fourth Proportional to 237,767, 356,399.13 and 87,911.06

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Solution

The fourth proportional to 237,767, 356,399.13 and 87,911.06 is: 131,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,767 : 356,399.13 = 87,911.06 : x
  2. Step 2: Convert to fraction form
    237,767/356,399.13 = 87,911.06/x
  3. Step 3: Cross multiply
    237,767x = 356,399.13 × 87,911.06
  4. Step 4: Simplify right side
    237,767x = 31,331,425,301.38
  5. Step 5: Solve for x
    x = 31,331,425,301.38/237,767
  6. Step 6: Final answer
    x = 131,773.65

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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.