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Finding the Fourth Proportional to 98,610.74, 136,092.35 and 58,337.45

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Solution

The fourth proportional to 98,610.74, 136,092.35 and 58,337.45 is: 80,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,610.74 : 136,092.35 = 58,337.45 : x
  2. Step 2: Convert to fraction form
    98,610.74/136,092.35 = 58,337.45/x
  3. Step 3: Cross multiply
    98,610.74x = 136,092.35 × 58,337.45
  4. Step 4: Simplify right side
    98,610.74x = 7,939,280,371.82
  5. Step 5: Solve for x
    x = 7,939,280,371.82/98,610.74
  6. Step 6: Final answer
    x = 80,511.32

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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.