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Finding the Fourth Proportional to 237,447.72, 356,133.51 and 87,758.64

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Solution

The fourth proportional to 237,447.72, 356,133.51 and 87,758.64 is: 131,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,447.72 : 356,133.51 = 87,758.64 : x
  2. Step 2: Convert to fraction form
    237,447.72/356,133.51 = 87,758.64/x
  3. Step 3: Cross multiply
    237,447.72x = 356,133.51 × 87,758.64
  4. Step 4: Simplify right side
    237,447.72x = 31,253,792,496.03
  5. Step 5: Solve for x
    x = 31,253,792,496.03/237,447.72
  6. Step 6: Final answer
    x = 131,623.89

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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.