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Finding the Fourth Proportional to 151,345.76, 226,982.08 and 67,059.32

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Solution

The fourth proportional to 151,345.76, 226,982.08 and 67,059.32 is: 100,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,345.76 : 226,982.08 = 67,059.32 : x
  2. Step 2: Convert to fraction form
    151,345.76/226,982.08 = 67,059.32/x
  3. Step 3: Cross multiply
    151,345.76x = 226,982.08 × 67,059.32
  4. Step 4: Simplify right side
    151,345.76x = 15,221,263,936.99
  5. Step 5: Solve for x
    x = 15,221,263,936.99/151,345.76
  6. Step 6: Final answer
    x = 100,572.78

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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.