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Finding the Fourth Proportional to 172,758.32, 258,583.44 and 92,596.28

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Solution

The fourth proportional to 172,758.32, 258,583.44 and 92,596.28 is: 138,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,758.32 : 258,583.44 = 92,596.28 : x
  2. Step 2: Convert to fraction form
    172,758.32/258,583.44 = 92,596.28/x
  3. Step 3: Cross multiply
    172,758.32x = 258,583.44 × 92,596.28
  4. Step 4: Simplify right side
    172,758.32x = 23,943,864,613.60
  5. Step 5: Solve for x
    x = 23,943,864,613.60/172,758.32
  6. Step 6: Final answer
    x = 138,597.46

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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.