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Finding the Fourth Proportional to 376,858.43, 565,166.15 and 124,078.73

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Solution

The fourth proportional to 376,858.43, 565,166.15 and 124,078.73 is: 186,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,858.43 : 565,166.15 = 124,078.73 : x
  2. Step 2: Convert to fraction form
    376,858.43/565,166.15 = 124,078.73/x
  3. Step 3: Cross multiply
    376,858.43x = 565,166.15 × 124,078.73
  4. Step 4: Simplify right side
    376,858.43x = 70,125,095,150.06
  5. Step 5: Solve for x
    x = 70,125,095,150.06/376,858.43
  6. Step 6: Final answer
    x = 186,078.09

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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.