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Finding the Fourth Proportional to 237,603.57, 356,375.61 and 77,666.12

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Solution

The fourth proportional to 237,603.57, 356,375.61 and 77,666.12 is: 116,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,603.57 : 356,375.61 = 77,666.12 : x
  2. Step 2: Convert to fraction form
    237,603.57/356,375.61 = 77,666.12/x
  3. Step 3: Cross multiply
    237,603.57x = 356,375.61 × 77,666.12
  4. Step 4: Simplify right side
    237,603.57x = 27,678,310,891.33
  5. Step 5: Solve for x
    x = 27,678,310,891.33/237,603.57
  6. Step 6: Final answer
    x = 116,489.46

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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.