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Finding the Fourth Proportional to 156,792.60, 235,188.90 and 155,917.80

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Solution

The fourth proportional to 156,792.60, 235,188.90 and 155,917.80 is: 233,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,792.60 : 235,188.90 = 155,917.80 : x
  2. Step 2: Convert to fraction form
    156,792.60/235,188.90 = 155,917.80/x
  3. Step 3: Cross multiply
    156,792.60x = 235,188.90 × 155,917.80
  4. Step 4: Simplify right side
    156,792.60x = 36,670,135,872.42
  5. Step 5: Solve for x
    x = 36,670,135,872.42/156,792.60
  6. Step 6: Final answer
    x = 233,876.70

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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.