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Finding the Fourth Proportional to 176,999.40, 265,650.30 and 71,893.80

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Solution

The fourth proportional to 176,999.40, 265,650.30 and 71,893.80 is: 107,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,999.40 : 265,650.30 = 71,893.80 : x
  2. Step 2: Convert to fraction form
    176,999.40/265,650.30 = 71,893.80/x
  3. Step 3: Cross multiply
    176,999.40x = 265,650.30 × 71,893.80
  4. Step 4: Simplify right side
    176,999.40x = 19,098,609,538.14
  5. Step 5: Solve for x
    x = 19,098,609,538.14/176,999.40
  6. Step 6: Final answer
    x = 107,902.11

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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.