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Finding the Fourth Proportional to 250,790.23, 376,208.22 and 70,878.25

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Solution

The fourth proportional to 250,790.23, 376,208.22 and 70,878.25 is: 106,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,790.23 : 376,208.22 = 70,878.25 : x
  2. Step 2: Convert to fraction form
    250,790.23/376,208.22 = 70,878.25/x
  3. Step 3: Cross multiply
    250,790.23x = 376,208.22 × 70,878.25
  4. Step 4: Simplify right side
    250,790.23x = 26,664,981,005.27
  5. Step 5: Solve for x
    x = 26,664,981,005.27/250,790.23
  6. Step 6: Final answer
    x = 106,323.84

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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.