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Finding the Fourth Proportional to 213,775.86, 294,882.15 and 141,179.42

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Solution

The fourth proportional to 213,775.86, 294,882.15 and 141,179.42 is: 194,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,775.86 : 294,882.15 = 141,179.42 : x
  2. Step 2: Convert to fraction form
    213,775.86/294,882.15 = 141,179.42/x
  3. Step 3: Cross multiply
    213,775.86x = 294,882.15 × 141,179.42
  4. Step 4: Simplify right side
    213,775.86x = 41,631,290,536.75
  5. Step 5: Solve for x
    x = 41,631,290,536.75/213,775.86
  6. Step 6: Final answer
    x = 194,742.71

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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.