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Finding the Fourth Proportional to 250,166.30, 375,319.60 and 100,511.67

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Solution

The fourth proportional to 250,166.30, 375,319.60 and 100,511.67 is: 150,795.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,166.30 : 375,319.60 = 100,511.67 : x
  2. Step 2: Convert to fraction form
    250,166.30/375,319.60 = 100,511.67/x
  3. Step 3: Cross multiply
    250,166.30x = 375,319.60 × 100,511.67
  4. Step 4: Simplify right side
    250,166.30x = 37,723,999,528.45
  5. Step 5: Solve for x
    x = 37,723,999,528.45/250,166.30
  6. Step 6: Final answer
    x = 150,795.69

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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.