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Finding the Fourth Proportional to 156,630.40, 234,945.60 and 150,506.80

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Solution

The fourth proportional to 156,630.40, 234,945.60 and 150,506.80 is: 225,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630.40 : 234,945.60 = 150,506.80 : x
  2. Step 2: Convert to fraction form
    156,630.40/234,945.60 = 150,506.80/x
  3. Step 3: Cross multiply
    156,630.40x = 234,945.60 × 150,506.80
  4. Step 4: Simplify right side
    156,630.40x = 35,360,910,430.08
  5. Step 5: Solve for x
    x = 35,360,910,430.08/156,630.40
  6. Step 6: Final answer
    x = 225,760.20

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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.