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Finding the Fourth Proportional to 223,609.70, 335,742.60 and 135,036.20

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Solution

The fourth proportional to 223,609.70, 335,742.60 and 135,036.20 is: 202,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,609.70 : 335,742.60 = 135,036.20 : x
  2. Step 2: Convert to fraction form
    223,609.70/335,742.60 = 135,036.20/x
  3. Step 3: Cross multiply
    223,609.70x = 335,742.60 × 135,036.20
  4. Step 4: Simplify right side
    223,609.70x = 45,337,404,882.12
  5. Step 5: Solve for x
    x = 45,337,404,882.12/223,609.70
  6. Step 6: Final answer
    x = 202,752.41

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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.