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Finding the Fourth Proportional to 156,796.60, 235,194.90 and 155,921.80

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Solution

The fourth proportional to 156,796.60, 235,194.90 and 155,921.80 is: 233,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,796.60 : 235,194.90 = 155,921.80 : x
  2. Step 2: Convert to fraction form
    156,796.60/235,194.90 = 155,921.80/x
  3. Step 3: Cross multiply
    156,796.60x = 235,194.90 × 155,921.80
  4. Step 4: Simplify right side
    156,796.60x = 36,672,012,158.82
  5. Step 5: Solve for x
    x = 36,672,012,158.82/156,796.60
  6. Step 6: Final answer
    x = 233,882.70

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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.