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Finding the Fourth Proportional to 113,755.83, 156,975.96 and 62,768.97

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Solution

The fourth proportional to 113,755.83, 156,975.96 and 62,768.97 is: 86,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,755.83 : 156,975.96 = 62,768.97 : x
  2. Step 2: Convert to fraction form
    113,755.83/156,975.96 = 62,768.97/x
  3. Step 3: Cross multiply
    113,755.83x = 156,975.96 × 62,768.97
  4. Step 4: Simplify right side
    113,755.83x = 9,853,219,323.96
  5. Step 5: Solve for x
    x = 9,853,219,323.96/113,755.83
  6. Step 6: Final answer
    x = 86,617.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.