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Finding the Fourth Proportional to 112,057.40, 168,086.10 and 41,927.60

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Solution

The fourth proportional to 112,057.40, 168,086.10 and 41,927.60 is: 62,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,057.40 : 168,086.10 = 41,927.60 : x
  2. Step 2: Convert to fraction form
    112,057.40/168,086.10 = 41,927.60/x
  3. Step 3: Cross multiply
    112,057.40x = 168,086.10 × 41,927.60
  4. Step 4: Simplify right side
    112,057.40x = 7,047,446,766.36
  5. Step 5: Solve for x
    x = 7,047,446,766.36/112,057.40
  6. Step 6: Final answer
    x = 62,891.40

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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.