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Finding the Fourth Proportional to 195,216.82, 292,795.64 and 67,152.59

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Solution

The fourth proportional to 195,216.82, 292,795.64 and 67,152.59 is: 100,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,216.82 : 292,795.64 = 67,152.59 : x
  2. Step 2: Convert to fraction form
    195,216.82/292,795.64 = 67,152.59/x
  3. Step 3: Cross multiply
    195,216.82x = 292,795.64 × 67,152.59
  4. Step 4: Simplify right side
    195,216.82x = 19,661,987,141.48
  5. Step 5: Solve for x
    x = 19,661,987,141.48/195,216.82
  6. Step 6: Final answer
    x = 100,718.71

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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.