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Finding the Fourth Proportional to 175,469.76, 263,165.76 and 70,260.48

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Solution

The fourth proportional to 175,469.76, 263,165.76 and 70,260.48 is: 105,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,469.76 : 263,165.76 = 70,260.48 : x
  2. Step 2: Convert to fraction form
    175,469.76/263,165.76 = 70,260.48/x
  3. Step 3: Cross multiply
    175,469.76x = 263,165.76 × 70,260.48
  4. Step 4: Simplify right side
    175,469.76x = 18,490,152,617.16
  5. Step 5: Solve for x
    x = 18,490,152,617.16/175,469.76
  6. Step 6: Final answer
    x = 105,375.15

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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.