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Finding the Fourth Proportional to 219,167.52, 302,448.22 and 122,372.88

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Solution

The fourth proportional to 219,167.52, 302,448.22 and 122,372.88 is: 168,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,167.52 : 302,448.22 = 122,372.88 : x
  2. Step 2: Convert to fraction form
    219,167.52/302,448.22 = 122,372.88/x
  3. Step 3: Cross multiply
    219,167.52x = 302,448.22 × 122,372.88
  4. Step 4: Simplify right side
    219,167.52x = 37,011,459,732.27
  5. Step 5: Solve for x
    x = 37,011,459,732.27/219,167.52
  6. Step 6: Final answer
    x = 168,872.92

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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.