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Finding the Fourth Proportional to 99,592.27, 149,388 and 40,427.44

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Solution

The fourth proportional to 99,592.27, 149,388 and 40,427.44 is: 60,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,592.27 : 149,388 = 40,427.44 : x
  2. Step 2: Convert to fraction form
    99,592.27/149,388 = 40,427.44/x
  3. Step 3: Cross multiply
    99,592.27x = 149,388 × 40,427.44
  4. Step 4: Simplify right side
    99,592.27x = 6,039,374,406.72
  5. Step 5: Solve for x
    x = 6,039,374,406.72/99,592.27
  6. Step 6: Final answer
    x = 60,641.00

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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.