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Finding the Fourth Proportional to 217,692.32, 326,529.96 and 59,916.46

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Solution

The fourth proportional to 217,692.32, 326,529.96 and 59,916.46 is: 89,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,692.32 : 326,529.96 = 59,916.46 : x
  2. Step 2: Convert to fraction form
    217,692.32/326,529.96 = 59,916.46/x
  3. Step 3: Cross multiply
    217,692.32x = 326,529.96 × 59,916.46
  4. Step 4: Simplify right side
    217,692.32x = 19,564,519,287.14
  5. Step 5: Solve for x
    x = 19,564,519,287.14/217,692.32
  6. Step 6: Final answer
    x = 89,872.35

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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.