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Finding the Fourth Proportional to 219,379.66, 329,069.49 and 53,167.66

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Solution

The fourth proportional to 219,379.66, 329,069.49 and 53,167.66 is: 79,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,379.66 : 329,069.49 = 53,167.66 : x
  2. Step 2: Convert to fraction form
    219,379.66/329,069.49 = 53,167.66/x
  3. Step 3: Cross multiply
    219,379.66x = 329,069.49 × 53,167.66
  4. Step 4: Simplify right side
    219,379.66x = 17,495,854,760.69
  5. Step 5: Solve for x
    x = 17,495,854,760.69/219,379.66
  6. Step 6: Final answer
    x = 79,751.49

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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.