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Finding the Fourth Proportional to 230,506.99, 345,523.67 and 88,313.72

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Solution

The fourth proportional to 230,506.99, 345,523.67 and 88,313.72 is: 132,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,506.99 : 345,523.67 = 88,313.72 : x
  2. Step 2: Convert to fraction form
    230,506.99/345,523.67 = 88,313.72/x
  3. Step 3: Cross multiply
    230,506.99x = 345,523.67 × 88,313.72
  4. Step 4: Simplify right side
    230,506.99x = 30,514,478,807.74
  5. Step 5: Solve for x
    x = 30,514,478,807.74/230,506.99
  6. Step 6: Final answer
    x = 132,379.84

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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.