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Finding the Fourth Proportional to 107,551.80, 161,327.70 and 60,895.80

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Solution

The fourth proportional to 107,551.80, 161,327.70 and 60,895.80 is: 91,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,551.80 : 161,327.70 = 60,895.80 : x
  2. Step 2: Convert to fraction form
    107,551.80/161,327.70 = 60,895.80/x
  3. Step 3: Cross multiply
    107,551.80x = 161,327.70 × 60,895.80
  4. Step 4: Simplify right side
    107,551.80x = 9,824,179,353.66
  5. Step 5: Solve for x
    x = 9,824,179,353.66/107,551.80
  6. Step 6: Final answer
    x = 91,343.70

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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.