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Finding the Fourth Proportional to 174,644.16, 261,747.03 and 74,686.77

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Solution

The fourth proportional to 174,644.16, 261,747.03 and 74,686.77 is: 111,936.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,644.16 : 261,747.03 = 74,686.77 : x
  2. Step 2: Convert to fraction form
    174,644.16/261,747.03 = 74,686.77/x
  3. Step 3: Cross multiply
    174,644.16x = 261,747.03 × 74,686.77
  4. Step 4: Simplify right side
    174,644.16x = 19,549,040,227.79
  5. Step 5: Solve for x
    x = 19,549,040,227.79/174,644.16
  6. Step 6: Final answer
    x = 111,936.41

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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.