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Finding the Fourth Proportional to 187,085.85, 258,178.39 and 101,044.86

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Solution

The fourth proportional to 187,085.85, 258,178.39 and 101,044.86 is: 139,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,085.85 : 258,178.39 = 101,044.86 : x
  2. Step 2: Convert to fraction form
    187,085.85/258,178.39 = 101,044.86/x
  3. Step 3: Cross multiply
    187,085.85x = 258,178.39 × 101,044.86
  4. Step 4: Simplify right side
    187,085.85x = 26,087,599,272.58
  5. Step 5: Solve for x
    x = 26,087,599,272.58/187,085.85
  6. Step 6: Final answer
    x = 139,441.86

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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.