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Finding the Fourth Proportional to 237,878.34, 356,782.76 and 69,353.38

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Solution

The fourth proportional to 237,878.34, 356,782.76 and 69,353.38 is: 104,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,878.34 : 356,782.76 = 69,353.38 : x
  2. Step 2: Convert to fraction form
    237,878.34/356,782.76 = 69,353.38/x
  3. Step 3: Cross multiply
    237,878.34x = 356,782.76 × 69,353.38
  4. Step 4: Simplify right side
    237,878.34x = 24,744,090,331.73
  5. Step 5: Solve for x
    x = 24,744,090,331.73/237,878.34
  6. Step 6: Final answer
    x = 104,019.94

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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.