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Finding the Fourth Proportional to 223,404.15, 335,106.23 and 156,919.35

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Solution

The fourth proportional to 223,404.15, 335,106.23 and 156,919.35 is: 235,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,404.15 : 335,106.23 = 156,919.35 : x
  2. Step 2: Convert to fraction form
    223,404.15/335,106.23 = 156,919.35/x
  3. Step 3: Cross multiply
    223,404.15x = 335,106.23 × 156,919.35
  4. Step 4: Simplify right side
    223,404.15x = 52,584,651,007.95
  5. Step 5: Solve for x
    x = 52,584,651,007.95/223,404.15
  6. Step 6: Final answer
    x = 235,379.03

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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.