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Finding the Fourth Proportional to 127,770.75, 176,316.30 and 73,311.39

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Solution

The fourth proportional to 127,770.75, 176,316.30 and 73,311.39 is: 101,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,770.75 : 176,316.30 = 73,311.39 : x
  2. Step 2: Convert to fraction form
    127,770.75/176,316.30 = 73,311.39/x
  3. Step 3: Cross multiply
    127,770.75x = 176,316.30 × 73,311.39
  4. Step 4: Simplify right side
    127,770.75x = 12,925,993,032.66
  5. Step 5: Solve for x
    x = 12,925,993,032.66/127,770.75
  6. Step 6: Final answer
    x = 101,165.51

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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.