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Finding the Fourth Proportional to 176,906.60, 265,376.10 and 71,703.80

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Solution

The fourth proportional to 176,906.60, 265,376.10 and 71,703.80 is: 107,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,906.60 : 265,376.10 = 71,703.80 : x
  2. Step 2: Convert to fraction form
    176,906.60/265,376.10 = 71,703.80/x
  3. Step 3: Cross multiply
    176,906.60x = 265,376.10 × 71,703.80
  4. Step 4: Simplify right side
    176,906.60x = 19,028,474,799.18
  5. Step 5: Solve for x
    x = 19,028,474,799.18/176,906.60
  6. Step 6: Final answer
    x = 107,562.27

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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.