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Finding the Fourth Proportional to 223,609.30, 335,430.15 and 134,671.30

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Solution

The fourth proportional to 223,609.30, 335,430.15 and 134,671.30 is: 202,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,609.30 : 335,430.15 = 134,671.30 : x
  2. Step 2: Convert to fraction form
    223,609.30/335,430.15 = 134,671.30/x
  3. Step 3: Cross multiply
    223,609.30x = 335,430.15 × 134,671.30
  4. Step 4: Simplify right side
    223,609.30x = 45,172,814,359.70
  5. Step 5: Solve for x
    x = 45,172,814,359.70/223,609.30
  6. Step 6: Final answer
    x = 202,016.71

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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.