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Finding the Fourth Proportional to 98,056.57, 147,060.56 and 27,936.49

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Solution

The fourth proportional to 98,056.57, 147,060.56 and 27,936.49 is: 41,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,056.57 : 147,060.56 = 27,936.49 : x
  2. Step 2: Convert to fraction form
    98,056.57/147,060.56 = 27,936.49/x
  3. Step 3: Cross multiply
    98,056.57x = 147,060.56 × 27,936.49
  4. Step 4: Simplify right side
    98,056.57x = 4,108,355,724.15
  5. Step 5: Solve for x
    x = 4,108,355,724.15/98,056.57
  6. Step 6: Final answer
    x = 41,897.81

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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.