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Finding the Fourth Proportional to 190,624.44, 285,737.15 and 64,221.00

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Solution

The fourth proportional to 190,624.44, 285,737.15 and 64,221.00 is: 96,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,624.44 : 285,737.15 = 64,221.00 : x
  2. Step 2: Convert to fraction form
    190,624.44/285,737.15 = 64,221.00/x
  3. Step 3: Cross multiply
    190,624.44x = 285,737.15 × 64,221.00
  4. Step 4: Simplify right side
    190,624.44x = 18,350,326,876.92
  5. Step 5: Solve for x
    x = 18,350,326,876.92/190,624.44
  6. Step 6: Final answer
    x = 96,264.29

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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.