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Finding the Fourth Proportional to 98,238.80, 147,373.08 and 50,181.02

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Solution

The fourth proportional to 98,238.80, 147,373.08 and 50,181.02 is: 75,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,238.80 : 147,373.08 = 50,181.02 : x
  2. Step 2: Convert to fraction form
    98,238.80/147,373.08 = 50,181.02/x
  3. Step 3: Cross multiply
    98,238.80x = 147,373.08 × 50,181.02
  4. Step 4: Simplify right side
    98,238.80x = 7,395,331,474.94
  5. Step 5: Solve for x
    x = 7,395,331,474.94/98,238.80
  6. Step 6: Final answer
    x = 75,279.13

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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.