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Finding the Fourth Proportional to 106,057.60, 159,086.40 and 100,873.60

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Solution

The fourth proportional to 106,057.60, 159,086.40 and 100,873.60 is: 151,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,057.60 : 159,086.40 = 100,873.60 : x
  2. Step 2: Convert to fraction form
    106,057.60/159,086.40 = 100,873.60/x
  3. Step 3: Cross multiply
    106,057.60x = 159,086.40 × 100,873.60
  4. Step 4: Simplify right side
    106,057.60x = 16,047,617,879.04
  5. Step 5: Solve for x
    x = 16,047,617,879.04/106,057.60
  6. Step 6: Final answer
    x = 151,310.40

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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.