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Finding the Fourth Proportional to 161,092.62, 241,718.31 and 72,410.58

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Solution

The fourth proportional to 161,092.62, 241,718.31 and 72,410.58 is: 108,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,092.62 : 241,718.31 = 72,410.58 : x
  2. Step 2: Convert to fraction form
    161,092.62/241,718.31 = 72,410.58/x
  3. Step 3: Cross multiply
    161,092.62x = 241,718.31 × 72,410.58
  4. Step 4: Simplify right side
    161,092.62x = 17,502,963,023.72
  5. Step 5: Solve for x
    x = 17,502,963,023.72/161,092.62
  6. Step 6: Final answer
    x = 108,651.55

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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.