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Finding the Fourth Proportional to 250,645.53, 375,875.64 and 108,511.59

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Solution

The fourth proportional to 250,645.53, 375,875.64 and 108,511.59 is: 162,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,645.53 : 375,875.64 = 108,511.59 : x
  2. Step 2: Convert to fraction form
    250,645.53/375,875.64 = 108,511.59/x
  3. Step 3: Cross multiply
    250,645.53x = 375,875.64 × 108,511.59
  4. Step 4: Simplify right side
    250,645.53x = 40,786,863,338.67
  5. Step 5: Solve for x
    x = 40,786,863,338.67/250,645.53
  6. Step 6: Final answer
    x = 162,727.27

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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.