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Finding the Fourth Proportional to 219,368.32, 329,072.56 and 61,595.71

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Solution

The fourth proportional to 219,368.32, 329,072.56 and 61,595.71 is: 92,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,368.32 : 329,072.56 = 61,595.71 : x
  2. Step 2: Convert to fraction form
    219,368.32/329,072.56 = 61,595.71/x
  3. Step 3: Cross multiply
    219,368.32x = 329,072.56 × 61,595.71
  4. Step 4: Simplify right side
    219,368.32x = 20,269,456,998.05
  5. Step 5: Solve for x
    x = 20,269,456,998.05/219,368.32
  6. Step 6: Final answer
    x = 92,399.20

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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.