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Finding the Fourth Proportional to 122,264.82, 168,723.30 and 68,549.67

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Solution

The fourth proportional to 122,264.82, 168,723.30 and 68,549.67 is: 94,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,264.82 : 168,723.30 = 68,549.67 : x
  2. Step 2: Convert to fraction form
    122,264.82/168,723.30 = 68,549.67/x
  3. Step 3: Cross multiply
    122,264.82x = 168,723.30 × 68,549.67
  4. Step 4: Simplify right side
    122,264.82x = 11,565,926,536.31
  5. Step 5: Solve for x
    x = 11,565,926,536.31/122,264.82
  6. Step 6: Final answer
    x = 94,597.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.