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Finding the Fourth Proportional to 190,599.39, 285,826.11 and 64,205.67

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Solution

The fourth proportional to 190,599.39, 285,826.11 and 64,205.67 is: 96,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,599.39 : 285,826.11 = 64,205.67 : x
  2. Step 2: Convert to fraction form
    190,599.39/285,826.11 = 64,205.67/x
  3. Step 3: Cross multiply
    190,599.39x = 285,826.11 × 64,205.67
  4. Step 4: Simplify right side
    190,599.39x = 18,351,656,896.04
  5. Step 5: Solve for x
    x = 18,351,656,896.04/190,599.39
  6. Step 6: Final answer
    x = 96,283.92

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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.