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Finding the Fourth Proportional to 161,285.98, 241,896.48 and 101,287.66

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Solution

The fourth proportional to 161,285.98, 241,896.48 and 101,287.66 is: 151,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,285.98 : 241,896.48 = 101,287.66 : x
  2. Step 2: Convert to fraction form
    161,285.98/241,896.48 = 101,287.66/x
  3. Step 3: Cross multiply
    161,285.98x = 241,896.48 × 101,287.66
  4. Step 4: Simplify right side
    161,285.98x = 24,501,128,421.44
  5. Step 5: Solve for x
    x = 24,501,128,421.44/161,285.98
  6. Step 6: Final answer
    x = 151,911.09

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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.