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Finding the Fourth Proportional to 176,902.20, 265,353.30 and 169,903.80

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Solution

The fourth proportional to 176,902.20, 265,353.30 and 169,903.80 is: 254,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,902.20 : 265,353.30 = 169,903.80 : x
  2. Step 2: Convert to fraction form
    176,902.20/265,353.30 = 169,903.80/x
  3. Step 3: Cross multiply
    176,902.20x = 265,353.30 × 169,903.80
  4. Step 4: Simplify right side
    176,902.20x = 45,084,534,012.54
  5. Step 5: Solve for x
    x = 45,084,534,012.54/176,902.20
  6. Step 6: Final answer
    x = 254,855.70

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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.