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Finding the Fourth Proportional to 159,646.92, 239,495.00 and 54,441.28

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Solution

The fourth proportional to 159,646.92, 239,495.00 and 54,441.28 is: 81,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,646.92 : 239,495.00 = 54,441.28 : x
  2. Step 2: Convert to fraction form
    159,646.92/239,495.00 = 54,441.28/x
  3. Step 3: Cross multiply
    159,646.92x = 239,495.00 × 54,441.28
  4. Step 4: Simplify right side
    159,646.92x = 13,038,414,380.76
  5. Step 5: Solve for x
    x = 13,038,414,380.76/159,646.92
  6. Step 6: Final answer
    x = 81,670.32

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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.