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Finding the Fourth Proportional to 219,167.10, 329,139.45 and 169,368.30

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Solution

The fourth proportional to 219,167.10, 329,139.45 and 169,368.30 is: 254,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,167.10 : 329,139.45 = 169,368.30 : x
  2. Step 2: Convert to fraction form
    219,167.10/329,139.45 = 169,368.30/x
  3. Step 3: Cross multiply
    219,167.10x = 329,139.45 × 169,368.30
  4. Step 4: Simplify right side
    219,167.10x = 55,745,789,109.44
  5. Step 5: Solve for x
    x = 55,745,789,109.44/219,167.10
  6. Step 6: Final answer
    x = 254,352.91

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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.