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Finding the Fourth Proportional to 168,787.76, 253,276.68 and 116,239.28

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Solution

The fourth proportional to 168,787.76, 253,276.68 and 116,239.28 is: 174,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,787.76 : 253,276.68 = 116,239.28 : x
  2. Step 2: Convert to fraction form
    168,787.76/253,276.68 = 116,239.28/x
  3. Step 3: Cross multiply
    168,787.76x = 253,276.68 × 116,239.28
  4. Step 4: Simplify right side
    168,787.76x = 29,440,698,923.99
  5. Step 5: Solve for x
    x = 29,440,698,923.99/168,787.76
  6. Step 6: Final answer
    x = 174,424.37

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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.