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Finding the Fourth Proportional to 118,060.44, 162,921.36 and 64,345.92

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Solution

The fourth proportional to 118,060.44, 162,921.36 and 64,345.92 is: 88,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,060.44 : 162,921.36 = 64,345.92 : x
  2. Step 2: Convert to fraction form
    118,060.44/162,921.36 = 64,345.92/x
  3. Step 3: Cross multiply
    118,060.44x = 162,921.36 × 64,345.92
  4. Step 4: Simplify right side
    118,060.44x = 10,483,324,796.85
  5. Step 5: Solve for x
    x = 10,483,324,796.85/118,060.44
  6. Step 6: Final answer
    x = 88,796.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.