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Finding the Fourth Proportional to 219,508.43, 329,262.57 and 61,736.84

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Solution

The fourth proportional to 219,508.43, 329,262.57 and 61,736.84 is: 92,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,508.43 : 329,262.57 = 61,736.84 : x
  2. Step 2: Convert to fraction form
    219,508.43/329,262.57 = 61,736.84/x
  3. Step 3: Cross multiply
    219,508.43x = 329,262.57 × 61,736.84
  4. Step 4: Simplify right side
    219,508.43x = 20,327,630,602.08
  5. Step 5: Solve for x
    x = 20,327,630,602.08/219,508.43
  6. Step 6: Final answer
    x = 92,605.24

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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.