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Finding the Fourth Proportional to 127,118, 175,422.37 and 69,758.29

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Solution

The fourth proportional to 127,118, 175,422.37 and 69,758.29 is: 96,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,118 : 175,422.37 = 69,758.29 : x
  2. Step 2: Convert to fraction form
    127,118/175,422.37 = 69,758.29/x
  3. Step 3: Cross multiply
    127,118x = 175,422.37 × 69,758.29
  4. Step 4: Simplify right side
    127,118x = 12,237,164,558.95
  5. Step 5: Solve for x
    x = 12,237,164,558.95/127,118
  6. Step 6: Final answer
    x = 96,266.18

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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.