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Finding the Fourth Proportional to 101,654.33, 140,288.37 and 56,337.26

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Solution

The fourth proportional to 101,654.33, 140,288.37 and 56,337.26 is: 77,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,654.33 : 140,288.37 = 56,337.26 : x
  2. Step 2: Convert to fraction form
    101,654.33/140,288.37 = 56,337.26/x
  3. Step 3: Cross multiply
    101,654.33x = 140,288.37 × 56,337.26
  4. Step 4: Simplify right side
    101,654.33x = 7,903,462,375.67
  5. Step 5: Solve for x
    x = 7,903,462,375.67/101,654.33
  6. Step 6: Final answer
    x = 77,748.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.