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Finding the Fourth Proportional to 150,432.60, 225,735.30 and 57,005.40

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Solution

The fourth proportional to 150,432.60, 225,735.30 and 57,005.40 is: 85,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,432.60 : 225,735.30 = 57,005.40 : x
  2. Step 2: Convert to fraction form
    150,432.60/225,735.30 = 57,005.40/x
  3. Step 3: Cross multiply
    150,432.60x = 225,735.30 × 57,005.40
  4. Step 4: Simplify right side
    150,432.60x = 12,868,131,070.62
  5. Step 5: Solve for x
    x = 12,868,131,070.62/150,432.60
  6. Step 6: Final answer
    x = 85,540.84

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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.