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Finding the Fourth Proportional to 98,601.87, 147,814.31 and 35,407.37

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Solution

The fourth proportional to 98,601.87, 147,814.31 and 35,407.37 is: 53,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,601.87 : 147,814.31 = 35,407.37 : x
  2. Step 2: Convert to fraction form
    98,601.87/147,814.31 = 35,407.37/x
  3. Step 3: Cross multiply
    98,601.87x = 147,814.31 × 35,407.37
  4. Step 4: Simplify right side
    98,601.87x = 5,233,715,603.66
  5. Step 5: Solve for x
    x = 5,233,715,603.66/98,601.87
  6. Step 6: Final answer
    x = 53,079.27

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Why These Related Problems?

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