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Finding the Fourth Proportional to 219,445.67, 302,859.66 and 123,958.52

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Solution

The fourth proportional to 219,445.67, 302,859.66 and 123,958.52 is: 171,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,445.67 : 302,859.66 = 123,958.52 : x
  2. Step 2: Convert to fraction form
    219,445.67/302,859.66 = 123,958.52/x
  3. Step 3: Cross multiply
    219,445.67x = 302,859.66 × 123,958.52
  4. Step 4: Simplify right side
    219,445.67x = 37,542,034,610.31
  5. Step 5: Solve for x
    x = 37,542,034,610.31/219,445.67
  6. Step 6: Final answer
    x = 171,076.67

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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.