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Finding the Fourth Proportional to 156,951.40, 235,427.10 and 125,847.40

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Solution

The fourth proportional to 156,951.40, 235,427.10 and 125,847.40 is: 188,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.40 : 235,427.10 = 125,847.40 : x
  2. Step 2: Convert to fraction form
    156,951.40/235,427.10 = 125,847.40/x
  3. Step 3: Cross multiply
    156,951.40x = 235,427.10 × 125,847.40
  4. Step 4: Simplify right side
    156,951.40x = 29,627,888,424.54
  5. Step 5: Solve for x
    x = 29,627,888,424.54/156,951.40
  6. Step 6: Final answer
    x = 188,771.10

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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.