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Finding the Fourth Proportional to 153,561.52, 230,360.73 and 145,163.44

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Solution

The fourth proportional to 153,561.52, 230,360.73 and 145,163.44 is: 217,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,561.52 : 230,360.73 = 145,163.44 : x
  2. Step 2: Convert to fraction form
    153,561.52/230,360.73 = 145,163.44/x
  3. Step 3: Cross multiply
    153,561.52x = 230,360.73 × 145,163.44
  4. Step 4: Simplify right side
    153,561.52x = 33,439,956,976.12
  5. Step 5: Solve for x
    x = 33,439,956,976.12/153,561.52
  6. Step 6: Final answer
    x = 217,762.61

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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.