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Finding the Fourth Proportional to 101,561.22, 152,241.48 and 48,159.54

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Solution

The fourth proportional to 101,561.22, 152,241.48 and 48,159.54 is: 72,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,561.22 : 152,241.48 = 48,159.54 : x
  2. Step 2: Convert to fraction form
    101,561.22/152,241.48 = 48,159.54/x
  3. Step 3: Cross multiply
    101,561.22x = 152,241.48 × 48,159.54
  4. Step 4: Simplify right side
    101,561.22x = 7,331,879,645.72
  5. Step 5: Solve for x
    x = 7,331,879,645.72/101,561.22
  6. Step 6: Final answer
    x = 72,191.72

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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.