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Finding the Fourth Proportional to 66,009.94, 98,853.43 and 59,612.97

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Solution

The fourth proportional to 66,009.94, 98,853.43 and 59,612.97 is: 89,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,009.94 : 98,853.43 = 59,612.97 : x
  2. Step 2: Convert to fraction form
    66,009.94/98,853.43 = 59,612.97/x
  3. Step 3: Cross multiply
    66,009.94x = 98,853.43 × 59,612.97
  4. Step 4: Simplify right side
    66,009.94x = 5,892,945,764.66
  5. Step 5: Solve for x
    x = 5,892,945,764.66/66,009.94
  6. Step 6: Final answer
    x = 89,273.61

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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.