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Finding the Fourth Proportional to 164,852.70, 247,279.05 and 145,825.80

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Solution

The fourth proportional to 164,852.70, 247,279.05 and 145,825.80 is: 218,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,852.70 : 247,279.05 = 145,825.80 : x
  2. Step 2: Convert to fraction form
    164,852.70/247,279.05 = 145,825.80/x
  3. Step 3: Cross multiply
    164,852.70x = 247,279.05 × 145,825.80
  4. Step 4: Simplify right side
    164,852.70x = 36,059,665,289.49
  5. Step 5: Solve for x
    x = 36,059,665,289.49/164,852.70
  6. Step 6: Final answer
    x = 218,738.70

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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.