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Finding the Fourth Proportional to 175,255.60, 262,912.20 and 75,463.60

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Solution

The fourth proportional to 175,255.60, 262,912.20 and 75,463.60 is: 113,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,255.60 : 262,912.20 = 75,463.60 : x
  2. Step 2: Convert to fraction form
    175,255.60/262,912.20 = 75,463.60/x
  3. Step 3: Cross multiply
    175,255.60x = 262,912.20 × 75,463.60
  4. Step 4: Simplify right side
    175,255.60x = 19,840,301,095.92
  5. Step 5: Solve for x
    x = 19,840,301,095.92/175,255.60
  6. Step 6: Final answer
    x = 113,207.80

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1.5x scale

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.