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Finding the Fourth Proportional to 235,648.60, 353,645.70 and 156,736.60

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Solution

The fourth proportional to 235,648.60, 353,645.70 and 156,736.60 is: 235,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,648.60 : 353,645.70 = 156,736.60 : x
  2. Step 2: Convert to fraction form
    235,648.60/353,645.70 = 156,736.60/x
  3. Step 3: Cross multiply
    235,648.60x = 353,645.70 × 156,736.60
  4. Step 4: Simplify right side
    235,648.60x = 55,429,224,622.62
  5. Step 5: Solve for x
    x = 55,429,224,622.62/235,648.60
  6. Step 6: Final answer
    x = 235,219.83

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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.