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Finding the Fourth Proportional to 195,168.32, 292,745.60 and 82,776.32

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Solution

The fourth proportional to 195,168.32, 292,745.60 and 82,776.32 is: 124,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,168.32 : 292,745.60 = 82,776.32 : x
  2. Step 2: Convert to fraction form
    195,168.32/292,745.60 = 82,776.32/x
  3. Step 3: Cross multiply
    195,168.32x = 292,745.60 × 82,776.32
  4. Step 4: Simplify right side
    195,168.32x = 24,232,403,464.19
  5. Step 5: Solve for x
    x = 24,232,403,464.19/195,168.32
  6. Step 6: Final answer
    x = 124,161.56

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1.5x scale

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.