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Finding the Fourth Proportional to 159,495.72, 239,172.48 and 84,598.82

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Solution

The fourth proportional to 159,495.72, 239,172.48 and 84,598.82 is: 126,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,495.72 : 239,172.48 = 84,598.82 : x
  2. Step 2: Convert to fraction form
    159,495.72/239,172.48 = 84,598.82/x
  3. Step 3: Cross multiply
    159,495.72x = 239,172.48 × 84,598.82
  4. Step 4: Simplify right side
    159,495.72x = 20,233,709,584.47
  5. Step 5: Solve for x
    x = 20,233,709,584.47/159,495.72
  6. Step 6: Final answer
    x = 126,860.52

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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.