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Finding the Fourth Proportional to 74,130.88, 111,233.76 and 37,192

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Solution

The fourth proportional to 74,130.88, 111,233.76 and 37,192 is: 55,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.88 : 111,233.76 = 37,192 : x
  2. Step 2: Convert to fraction form
    74,130.88/111,233.76 = 37,192/x
  3. Step 3: Cross multiply
    74,130.88x = 111,233.76 × 37,192
  4. Step 4: Simplify right side
    74,130.88x = 4,137,006,001.92
  5. Step 5: Solve for x
    x = 4,137,006,001.92/74,130.88
  6. Step 6: Final answer
    x = 55,806.78

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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.