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Finding the Fourth Proportional to 197,805.65, 296,499.29 and 64,650.15

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Solution

The fourth proportional to 197,805.65, 296,499.29 and 64,650.15 is: 96,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,805.65 : 296,499.29 = 64,650.15 : x
  2. Step 2: Convert to fraction form
    197,805.65/296,499.29 = 64,650.15/x
  3. Step 3: Cross multiply
    197,805.65x = 296,499.29 × 64,650.15
  4. Step 4: Simplify right side
    197,805.65x = 19,168,723,250.14
  5. Step 5: Solve for x
    x = 19,168,723,250.14/197,805.65
  6. Step 6: Final answer
    x = 96,906.86

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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.