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Finding the Fourth Proportional to 156,908.40, 235,362.60 and 150,784.80

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Solution

The fourth proportional to 156,908.40, 235,362.60 and 150,784.80 is: 226,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,908.40 : 235,362.60 = 150,784.80 : x
  2. Step 2: Convert to fraction form
    156,908.40/235,362.60 = 150,784.80/x
  3. Step 3: Cross multiply
    156,908.40x = 235,362.60 × 150,784.80
  4. Step 4: Simplify right side
    156,908.40x = 35,489,102,568.48
  5. Step 5: Solve for x
    x = 35,489,102,568.48/156,908.40
  6. Step 6: Final answer
    x = 226,177.20

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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.