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Finding the Fourth Proportional to 250,604.64, 376,053.84 and 100,821.60

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Solution

The fourth proportional to 250,604.64, 376,053.84 and 100,821.60 is: 151,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,604.64 : 376,053.84 = 100,821.60 : x
  2. Step 2: Convert to fraction form
    250,604.64/376,053.84 = 100,821.60/x
  3. Step 3: Cross multiply
    250,604.64x = 376,053.84 × 100,821.60
  4. Step 4: Simplify right side
    250,604.64x = 37,914,349,834.94
  5. Step 5: Solve for x
    x = 37,914,349,834.94/250,604.64
  6. Step 6: Final answer
    x = 151,291.49

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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.