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Finding the Fourth Proportional to 219,260.57, 328,863.51 and 61,501.32

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Solution

The fourth proportional to 219,260.57, 328,863.51 and 61,501.32 is: 92,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,260.57 : 328,863.51 = 61,501.32 : x
  2. Step 2: Convert to fraction form
    219,260.57/328,863.51 = 61,501.32/x
  3. Step 3: Cross multiply
    219,260.57x = 328,863.51 × 61,501.32
  4. Step 4: Simplify right side
    219,260.57x = 20,225,540,940.75
  5. Step 5: Solve for x
    x = 20,225,540,940.75/219,260.57
  6. Step 6: Final answer
    x = 92,244.32

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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.