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Finding the Fourth Proportional to 406,108.69, 609,163.03 and 110,620.69

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Solution

The fourth proportional to 406,108.69, 609,163.03 and 110,620.69 is: 165,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,108.69 : 609,163.03 = 110,620.69 : x
  2. Step 2: Convert to fraction form
    406,108.69/609,163.03 = 110,620.69/x
  3. Step 3: Cross multiply
    406,108.69x = 609,163.03 × 110,620.69
  4. Step 4: Simplify right side
    406,108.69x = 67,386,033,316.46
  5. Step 5: Solve for x
    x = 67,386,033,316.46/406,108.69
  6. Step 6: Final answer
    x = 165,931.03

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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.