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Finding the Fourth Proportional to 194,669.01, 292,003.78 and 54,427.50

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Solution

The fourth proportional to 194,669.01, 292,003.78 and 54,427.50 is: 81,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,669.01 : 292,003.78 = 54,427.50 : x
  2. Step 2: Convert to fraction form
    194,669.01/292,003.78 = 54,427.50/x
  3. Step 3: Cross multiply
    194,669.01x = 292,003.78 × 54,427.50
  4. Step 4: Simplify right side
    194,669.01x = 15,893,035,735.95
  5. Step 5: Solve for x
    x = 15,893,035,735.95/194,669.01
  6. Step 6: Final answer
    x = 81,641.32

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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.