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Finding the Fourth Proportional to 127,595, 176,081.10 and 71,006.42

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Solution

The fourth proportional to 127,595, 176,081.10 and 71,006.42 is: 97,988.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,595 : 176,081.10 = 71,006.42 : x
  2. Step 2: Convert to fraction form
    127,595/176,081.10 = 71,006.42/x
  3. Step 3: Cross multiply
    127,595x = 176,081.10 × 71,006.42
  4. Step 4: Simplify right side
    127,595x = 12,502,888,540.66
  5. Step 5: Solve for x
    x = 12,502,888,540.66/127,595
  6. Step 6: Final answer
    x = 97,988.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.