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Finding the Fourth Proportional to 116,600.96, 160,921.72 and 71,305.44

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Solution

The fourth proportional to 116,600.96, 160,921.72 and 71,305.44 is: 98,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,600.96 : 160,921.72 = 71,305.44 : x
  2. Step 2: Convert to fraction form
    116,600.96/160,921.72 = 71,305.44/x
  3. Step 3: Cross multiply
    116,600.96x = 160,921.72 × 71,305.44
  4. Step 4: Simplify right side
    116,600.96x = 11,474,594,050.16
  5. Step 5: Solve for x
    x = 11,474,594,050.16/116,600.96
  6. Step 6: Final answer
    x = 98,409.09

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1.5x scale

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.