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Finding the Fourth Proportional to 176,902.60, 265,370.10 and 71,699.80

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Solution

The fourth proportional to 176,902.60, 265,370.10 and 71,699.80 is: 107,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,902.60 : 265,370.10 = 71,699.80 : x
  2. Step 2: Convert to fraction form
    176,902.60/265,370.10 = 71,699.80/x
  3. Step 3: Cross multiply
    176,902.60x = 265,370.10 × 71,699.80
  4. Step 4: Simplify right side
    176,902.60x = 19,026,983,095.98
  5. Step 5: Solve for x
    x = 19,026,983,095.98/176,902.60
  6. Step 6: Final answer
    x = 107,556.27

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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.