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Finding the Fourth Proportional to 250,166.55, 375,319.97 and 100,511.92

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Solution

The fourth proportional to 250,166.55, 375,319.97 and 100,511.92 is: 150,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,166.55 : 375,319.97 = 100,511.92 : x
  2. Step 2: Convert to fraction form
    250,166.55/375,319.97 = 100,511.92/x
  3. Step 3: Cross multiply
    250,166.55x = 375,319.97 × 100,511.92
  4. Step 4: Simplify right side
    250,166.55x = 37,724,130,799.04
  5. Step 5: Solve for x
    x = 37,724,130,799.04/250,166.55
  6. Step 6: Final answer
    x = 150,796.06

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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.