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Finding the Fourth Proportional to 160,659.72, 241,016.99 and 54,053.87

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Solution

The fourth proportional to 160,659.72, 241,016.99 and 54,053.87 is: 81,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659.72 : 241,016.99 = 54,053.87 : x
  2. Step 2: Convert to fraction form
    160,659.72/241,016.99 = 54,053.87/x
  3. Step 3: Cross multiply
    160,659.72x = 241,016.99 × 54,053.87
  4. Step 4: Simplify right side
    160,659.72x = 13,027,899,569.90
  5. Step 5: Solve for x
    x = 13,027,899,569.90/160,659.72
  6. Step 6: Final answer
    x = 81,090.02

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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.