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Finding the Fourth Proportional to 219,082.68, 328,624.08 and 61,334.37

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Solution

The fourth proportional to 219,082.68, 328,624.08 and 61,334.37 is: 92,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,082.68 : 328,624.08 = 61,334.37 : x
  2. Step 2: Convert to fraction form
    219,082.68/328,624.08 = 61,334.37/x
  3. Step 3: Cross multiply
    219,082.68x = 328,624.08 × 61,334.37
  4. Step 4: Simplify right side
    219,082.68x = 20,155,950,913.63
  5. Step 5: Solve for x
    x = 20,155,950,913.63/219,082.68
  6. Step 6: Final answer
    x = 92,001.57

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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.