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Finding the Fourth Proportional to 100,431.60, 150,569.52 and 58,246.80

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Solution

The fourth proportional to 100,431.60, 150,569.52 and 58,246.80 is: 87,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,431.60 : 150,569.52 = 58,246.80 : x
  2. Step 2: Convert to fraction form
    100,431.60/150,569.52 = 58,246.80/x
  3. Step 3: Cross multiply
    100,431.60x = 150,569.52 × 58,246.80
  4. Step 4: Simplify right side
    100,431.60x = 8,770,192,717.54
  5. Step 5: Solve for x
    x = 8,770,192,717.54/100,431.60
  6. Step 6: Final answer
    x = 87,325.03

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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.