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Finding the Fourth Proportional to 99,480.96, 149,273.28 and 44,064

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Solution

The fourth proportional to 99,480.96, 149,273.28 and 44,064 is: 66,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,480.96 : 149,273.28 = 44,064 : x
  2. Step 2: Convert to fraction form
    99,480.96/149,273.28 = 44,064/x
  3. Step 3: Cross multiply
    99,480.96x = 149,273.28 × 44,064
  4. Step 4: Simplify right side
    99,480.96x = 6,577,577,809.92
  5. Step 5: Solve for x
    x = 6,577,577,809.92/99,480.96
  6. Step 6: Final answer
    x = 66,118.96

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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.