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Finding the Fourth Proportional to 101,641.43, 152,462.48 and 25,739.93

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Solution

The fourth proportional to 101,641.43, 152,462.48 and 25,739.93 is: 38,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,641.43 : 152,462.48 = 25,739.93 : x
  2. Step 2: Convert to fraction form
    101,641.43/152,462.48 = 25,739.93/x
  3. Step 3: Cross multiply
    101,641.43x = 152,462.48 × 25,739.93
  4. Step 4: Simplify right side
    101,641.43x = 3,924,372,671.81
  5. Step 5: Solve for x
    x = 3,924,372,671.81/101,641.43
  6. Step 6: Final answer
    x = 38,609.97

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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.