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Finding the Fourth Proportional to 250,511.90, 375,767.85 and 164,890.85

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Solution

The fourth proportional to 250,511.90, 375,767.85 and 164,890.85 is: 247,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,511.90 : 375,767.85 = 164,890.85 : x
  2. Step 2: Convert to fraction form
    250,511.90/375,767.85 = 164,890.85/x
  3. Step 3: Cross multiply
    250,511.90x = 375,767.85 × 164,890.85
  4. Step 4: Simplify right side
    250,511.90x = 61,960,680,189.17
  5. Step 5: Solve for x
    x = 61,960,680,189.17/250,511.90
  6. Step 6: Final answer
    x = 247,336.28

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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.