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Finding the Fourth Proportional to 161,195.61, 241,730.05 and 54,550.20

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Solution

The fourth proportional to 161,195.61, 241,730.05 and 54,550.20 is: 81,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,195.61 : 241,730.05 = 54,550.20 : x
  2. Step 2: Convert to fraction form
    161,195.61/241,730.05 = 54,550.20/x
  3. Step 3: Cross multiply
    161,195.61x = 241,730.05 × 54,550.20
  4. Step 4: Simplify right side
    161,195.61x = 13,186,422,573.51
  5. Step 5: Solve for x
    x = 13,186,422,573.51/161,195.61
  6. Step 6: Final answer
    x = 81,803.86

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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.