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Finding the Fourth Proportional to 161,203.60, 241,344.60 and 144,614.80

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Solution

The fourth proportional to 161,203.60, 241,344.60 and 144,614.80 is: 216,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,203.60 : 241,344.60 = 144,614.80 : x
  2. Step 2: Convert to fraction form
    161,203.60/241,344.60 = 144,614.80/x
  3. Step 3: Cross multiply
    161,203.60x = 241,344.60 × 144,614.80
  4. Step 4: Simplify right side
    161,203.60x = 34,902,001,060.08
  5. Step 5: Solve for x
    x = 34,902,001,060.08/161,203.60
  6. Step 6: Final answer
    x = 216,508.82

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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.