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Finding the Fourth Proportional to 231,398.46, 347,123.21 and 73,590.01

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Solution

The fourth proportional to 231,398.46, 347,123.21 and 73,590.01 is: 110,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,398.46 : 347,123.21 = 73,590.01 : x
  2. Step 2: Convert to fraction form
    231,398.46/347,123.21 = 73,590.01/x
  3. Step 3: Cross multiply
    231,398.46x = 347,123.21 × 73,590.01
  4. Step 4: Simplify right side
    231,398.46x = 25,544,800,495.13
  5. Step 5: Solve for x
    x = 25,544,800,495.13/231,398.46
  6. Step 6: Final answer
    x = 110,393.13

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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.