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Finding the Fourth Proportional to 159,612.80, 239,419.16 and 41,296.08

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Solution

The fourth proportional to 159,612.80, 239,419.16 and 41,296.08 is: 61,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,612.80 : 239,419.16 = 41,296.08 : x
  2. Step 2: Convert to fraction form
    159,612.80/239,419.16 = 41,296.08/x
  3. Step 3: Cross multiply
    159,612.80x = 239,419.16 × 41,296.08
  4. Step 4: Simplify right side
    159,612.80x = 9,887,072,784.89
  5. Step 5: Solve for x
    x = 9,887,072,784.89/159,612.80
  6. Step 6: Final answer
    x = 61,944.11

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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.