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Finding the Fourth Proportional to 218,535.60, 327,814.20 and 113,559.60

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Solution

The fourth proportional to 218,535.60, 327,814.20 and 113,559.60 is: 170,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,535.60 : 327,814.20 = 113,559.60 : x
  2. Step 2: Convert to fraction form
    218,535.60/327,814.20 = 113,559.60/x
  3. Step 3: Cross multiply
    218,535.60x = 327,814.20 × 113,559.60
  4. Step 4: Simplify right side
    218,535.60x = 37,226,449,426.32
  5. Step 5: Solve for x
    x = 37,226,449,426.32/218,535.60
  6. Step 6: Final answer
    x = 170,345.01

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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.