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Finding the Fourth Proportional to 230,488.50, 345,791.07 and 64,276.50

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Solution

The fourth proportional to 230,488.50, 345,791.07 and 64,276.50 is: 96,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,488.50 : 345,791.07 = 64,276.50 : x
  2. Step 2: Convert to fraction form
    230,488.50/345,791.07 = 64,276.50/x
  3. Step 3: Cross multiply
    230,488.50x = 345,791.07 × 64,276.50
  4. Step 4: Simplify right side
    230,488.50x = 22,226,239,710.86
  5. Step 5: Solve for x
    x = 22,226,239,710.86/230,488.50
  6. Step 6: Final answer
    x = 96,431.01

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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.