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Finding the Fourth Proportional to 172,723.34, 259,085.01 and 67,468.50

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Solution

The fourth proportional to 172,723.34, 259,085.01 and 67,468.50 is: 101,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,723.34 : 259,085.01 = 67,468.50 : x
  2. Step 2: Convert to fraction form
    172,723.34/259,085.01 = 67,468.50/x
  3. Step 3: Cross multiply
    172,723.34x = 259,085.01 × 67,468.50
  4. Step 4: Simplify right side
    172,723.34x = 17,480,077,250.19
  5. Step 5: Solve for x
    x = 17,480,077,250.19/172,723.34
  6. Step 6: Final answer
    x = 101,202.75

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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.