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Finding the Fourth Proportional to 262,606.29, 393,876.60 and 73,080.87

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Solution

The fourth proportional to 262,606.29, 393,876.60 and 73,080.87 is: 109,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,606.29 : 393,876.60 = 73,080.87 : x
  2. Step 2: Convert to fraction form
    262,606.29/393,876.60 = 73,080.87/x
  3. Step 3: Cross multiply
    262,606.29x = 393,876.60 × 73,080.87
  4. Step 4: Simplify right side
    262,606.29x = 28,784,844,600.64
  5. Step 5: Solve for x
    x = 28,784,844,600.64/262,606.29
  6. Step 6: Final answer
    x = 109,612.17

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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.