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Finding the Fourth Proportional to 190,377.89, 285,471.75 and 62,277.46

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Solution

The fourth proportional to 190,377.89, 285,471.75 and 62,277.46 is: 93,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,377.89 : 285,471.75 = 62,277.46 : x
  2. Step 2: Convert to fraction form
    190,377.89/285,471.75 = 62,277.46/x
  3. Step 3: Cross multiply
    190,377.89x = 285,471.75 × 62,277.46
  4. Step 4: Simplify right side
    190,377.89x = 17,778,456,511.59
  5. Step 5: Solve for x
    x = 17,778,456,511.59/190,377.89
  6. Step 6: Final answer
    x = 93,385.09

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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.