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Finding the Fourth Proportional to 156,781.60, 234,783.60 and 125,677.60

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Solution

The fourth proportional to 156,781.60, 234,783.60 and 125,677.60 is: 188,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,781.60 : 234,783.60 = 125,677.60 : x
  2. Step 2: Convert to fraction form
    156,781.60/234,783.60 = 125,677.60/x
  3. Step 3: Cross multiply
    156,781.60x = 234,783.60 × 125,677.60
  4. Step 4: Simplify right side
    156,781.60x = 29,507,039,367.36
  5. Step 5: Solve for x
    x = 29,507,039,367.36/156,781.60
  6. Step 6: Final answer
    x = 188,204.73

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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.