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Finding the Fourth Proportional to 107,365.46, 161,067.06 and 40,811.40

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Solution

The fourth proportional to 107,365.46, 161,067.06 and 40,811.40 is: 61,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,365.46 : 161,067.06 = 40,811.40 : x
  2. Step 2: Convert to fraction form
    107,365.46/161,067.06 = 40,811.40/x
  3. Step 3: Cross multiply
    107,365.46x = 161,067.06 × 40,811.40
  4. Step 4: Simplify right side
    107,365.46x = 6,573,372,212.48
  5. Step 5: Solve for x
    x = 6,573,372,212.48/107,365.46
  6. Step 6: Final answer
    x = 61,224.28

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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.