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Finding the Fourth Proportional to 107,602.92, 161,200.86 and 60,889.32

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Solution

The fourth proportional to 107,602.92, 161,200.86 and 60,889.32 is: 91,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,602.92 : 161,200.86 = 60,889.32 : x
  2. Step 2: Convert to fraction form
    107,602.92/161,200.86 = 60,889.32/x
  3. Step 3: Cross multiply
    107,602.92x = 161,200.86 × 60,889.32
  4. Step 4: Simplify right side
    107,602.92x = 9,815,410,748.82
  5. Step 5: Solve for x
    x = 9,815,410,748.82/107,602.92
  6. Step 6: Final answer
    x = 91,218.81

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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.