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Finding the Fourth Proportional to 135,658.03, 187,208.58 and 75,234.26

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Solution

The fourth proportional to 135,658.03, 187,208.58 and 75,234.26 is: 103,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,658.03 : 187,208.58 = 75,234.26 : x
  2. Step 2: Convert to fraction form
    135,658.03/187,208.58 = 75,234.26/x
  3. Step 3: Cross multiply
    135,658.03x = 187,208.58 × 75,234.26
  4. Step 4: Simplify right side
    135,658.03x = 14,084,498,981.95
  5. Step 5: Solve for x
    x = 14,084,498,981.95/135,658.03
  6. Step 6: Final answer
    x = 103,823.56

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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.