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Finding the Fourth Proportional to 159,453.48, 239,179.26 and 48,645.48

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Solution

The fourth proportional to 159,453.48, 239,179.26 and 48,645.48 is: 72,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,453.48 : 239,179.26 = 48,645.48 : x
  2. Step 2: Convert to fraction form
    159,453.48/239,179.26 = 48,645.48/x
  3. Step 3: Cross multiply
    159,453.48x = 239,179.26 × 48,645.48
  4. Step 4: Simplify right side
    159,453.48x = 11,634,989,908.74
  5. Step 5: Solve for x
    x = 11,634,989,908.74/159,453.48
  6. Step 6: Final answer
    x = 72,967.93

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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.