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Finding the Fourth Proportional to 98,323.47, 135,696.80 and 60,105.39

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Solution

The fourth proportional to 98,323.47, 135,696.80 and 60,105.39 is: 82,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,323.47 : 135,696.80 = 60,105.39 : x
  2. Step 2: Convert to fraction form
    98,323.47/135,696.80 = 60,105.39/x
  3. Step 3: Cross multiply
    98,323.47x = 135,696.80 × 60,105.39
  4. Step 4: Simplify right side
    98,323.47x = 8,156,109,085.75
  5. Step 5: Solve for x
    x = 8,156,109,085.75/98,323.47
  6. Step 6: Final answer
    x = 82,951.80

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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.