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Finding the Fourth Proportional to 243,229.09, 335,630.67 and 141,234.67

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Solution

The fourth proportional to 243,229.09, 335,630.67 and 141,234.67 is: 194,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,229.09 : 335,630.67 = 141,234.67 : x
  2. Step 2: Convert to fraction form
    243,229.09/335,630.67 = 141,234.67/x
  3. Step 3: Cross multiply
    243,229.09x = 335,630.67 × 141,234.67
  4. Step 4: Simplify right side
    243,229.09x = 47,402,686,919.33
  5. Step 5: Solve for x
    x = 47,402,686,919.33/243,229.09
  6. Step 6: Final answer
    x = 194,889.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.