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Finding the Fourth Proportional to 98,094.94, 147,143.79 and 27,974.25

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Solution

The fourth proportional to 98,094.94, 147,143.79 and 27,974.25 is: 41,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,094.94 : 147,143.79 = 27,974.25 : x
  2. Step 2: Convert to fraction form
    98,094.94/147,143.79 = 27,974.25/x
  3. Step 3: Cross multiply
    98,094.94x = 147,143.79 × 27,974.25
  4. Step 4: Simplify right side
    98,094.94x = 4,116,237,167.41
  5. Step 5: Solve for x
    x = 4,116,237,167.41/98,094.94
  6. Step 6: Final answer
    x = 41,961.77

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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.