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Finding the Fourth Proportional to 235,650.60, 353,648.70 and 156,738.60

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Solution

The fourth proportional to 235,650.60, 353,648.70 and 156,738.60 is: 235,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,650.60 : 353,648.70 = 156,738.60 : x
  2. Step 2: Convert to fraction form
    235,650.60/353,648.70 = 156,738.60/x
  3. Step 3: Cross multiply
    235,650.60x = 353,648.70 × 156,738.60
  4. Step 4: Simplify right side
    235,650.60x = 55,430,402,129.82
  5. Step 5: Solve for x
    x = 55,430,402,129.82/235,650.60
  6. Step 6: Final answer
    x = 235,222.83

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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.