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Finding the Fourth Proportional to 379,967.87, 570,108.81 and 166,625.39

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Solution

The fourth proportional to 379,967.87, 570,108.81 and 166,625.39 is: 250,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,967.87 : 570,108.81 = 166,625.39 : x
  2. Step 2: Convert to fraction form
    379,967.87/570,108.81 = 166,625.39/x
  3. Step 3: Cross multiply
    379,967.87x = 570,108.81 × 166,625.39
  4. Step 4: Simplify right side
    379,967.87x = 94,994,602,808.69
  5. Step 5: Solve for x
    x = 94,994,602,808.69/379,967.87
  6. Step 6: Final answer
    x = 250,006.94

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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.