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Finding the Fourth Proportional to 101,332.98, 152,021.19 and 30,261.22

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Solution

The fourth proportional to 101,332.98, 152,021.19 and 30,261.22 is: 45,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,332.98 : 152,021.19 = 30,261.22 : x
  2. Step 2: Convert to fraction form
    101,332.98/152,021.19 = 30,261.22/x
  3. Step 3: Cross multiply
    101,332.98x = 152,021.19 × 30,261.22
  4. Step 4: Simplify right side
    101,332.98x = 4,600,346,408.68
  5. Step 5: Solve for x
    x = 4,600,346,408.68/101,332.98
  6. Step 6: Final answer
    x = 45,398.31

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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.