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Finding the Fourth Proportional to 92,157.82, 138,314.52 and 63,678.22

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Solution

The fourth proportional to 92,157.82, 138,314.52 and 63,678.22 is: 95,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,157.82 : 138,314.52 = 63,678.22 : x
  2. Step 2: Convert to fraction form
    92,157.82/138,314.52 = 63,678.22/x
  3. Step 3: Cross multiply
    92,157.82x = 138,314.52 × 63,678.22
  4. Step 4: Simplify right side
    92,157.82x = 8,807,622,433.75
  5. Step 5: Solve for x
    x = 8,807,622,433.75/92,157.82
  6. Step 6: Final answer
    x = 95,571.08

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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.