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Finding the Fourth Proportional to 124,930, 187,395.18 and 51,058

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Solution

The fourth proportional to 124,930, 187,395.18 and 51,058 is: 76,587.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,930 : 187,395.18 = 51,058 : x
  2. Step 2: Convert to fraction form
    124,930/187,395.18 = 51,058/x
  3. Step 3: Cross multiply
    124,930x = 187,395.18 × 51,058
  4. Step 4: Simplify right side
    124,930x = 9,568,023,100.44
  5. Step 5: Solve for x
    x = 9,568,023,100.44/124,930
  6. Step 6: Final answer
    x = 76,587.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.