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Finding the Fourth Proportional to 161,109.80, 241,664.70 and 101,234.60

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Solution

The fourth proportional to 161,109.80, 241,664.70 and 101,234.60 is: 151,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,109.80 : 241,664.70 = 101,234.60 : x
  2. Step 2: Convert to fraction form
    161,109.80/241,664.70 = 101,234.60/x
  3. Step 3: Cross multiply
    161,109.80x = 241,664.70 × 101,234.60
  4. Step 4: Simplify right side
    161,109.80x = 24,464,829,238.62
  5. Step 5: Solve for x
    x = 24,464,829,238.62/161,109.80
  6. Step 6: Final answer
    x = 151,851.90

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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.