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Finding the Fourth Proportional to 228,767.37, 315,710.60 and 131,935.22

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Solution

The fourth proportional to 228,767.37, 315,710.60 and 131,935.22 is: 182,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,767.37 : 315,710.60 = 131,935.22 : x
  2. Step 2: Convert to fraction form
    228,767.37/315,710.60 = 131,935.22/x
  3. Step 3: Cross multiply
    228,767.37x = 315,710.60 × 131,935.22
  4. Step 4: Simplify right side
    228,767.37x = 41,653,345,229.10
  5. Step 5: Solve for x
    x = 41,653,345,229.10/228,767.37
  6. Step 6: Final answer
    x = 182,077.30

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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.