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Finding the Fourth Proportional to 175,891.20, 264,009.60 and 87,244.80

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Solution

The fourth proportional to 175,891.20, 264,009.60 and 87,244.80 is: 130,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,891.20 : 264,009.60 = 87,244.80 : x
  2. Step 2: Convert to fraction form
    175,891.20/264,009.60 = 87,244.80/x
  3. Step 3: Cross multiply
    175,891.20x = 264,009.60 × 87,244.80
  4. Step 4: Simplify right side
    175,891.20x = 23,033,464,750.08
  5. Step 5: Solve for x
    x = 23,033,464,750.08/175,891.20
  6. Step 6: Final answer
    x = 130,952.91

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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.