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Finding the Fourth Proportional to 230,291.72, 345,499.77 and 70,363.29

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Solution

The fourth proportional to 230,291.72, 345,499.77 and 70,363.29 is: 105,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,291.72 : 345,499.77 = 70,363.29 : x
  2. Step 2: Convert to fraction form
    230,291.72/345,499.77 = 70,363.29/x
  3. Step 3: Cross multiply
    230,291.72x = 345,499.77 × 70,363.29
  4. Step 4: Simplify right side
    230,291.72x = 24,310,501,873.03
  5. Step 5: Solve for x
    x = 24,310,501,873.03/230,291.72
  6. Step 6: Final answer
    x = 105,563.94

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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.