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Finding the Fourth Proportional to 174,750.44, 261,705.21 and 99,642.87

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Solution

The fourth proportional to 174,750.44, 261,705.21 and 99,642.87 is: 149,224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,750.44 : 261,705.21 = 99,642.87 : x
  2. Step 2: Convert to fraction form
    174,750.44/261,705.21 = 99,642.87/x
  3. Step 3: Cross multiply
    174,750.44x = 261,705.21 × 99,642.87
  4. Step 4: Simplify right side
    174,750.44x = 26,077,058,218.35
  5. Step 5: Solve for x
    x = 26,077,058,218.35/174,750.44
  6. Step 6: Final answer
    x = 149,224.57

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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.