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Finding the Fourth Proportional to 122,597.98, 169,185.35 and 68,882.96

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Solution

The fourth proportional to 122,597.98, 169,185.35 and 68,882.96 is: 95,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,597.98 : 169,185.35 = 68,882.96 : x
  2. Step 2: Convert to fraction form
    122,597.98/169,185.35 = 68,882.96/x
  3. Step 3: Cross multiply
    122,597.98x = 169,185.35 × 68,882.96
  4. Step 4: Simplify right side
    122,597.98x = 11,653,988,291.81
  5. Step 5: Solve for x
    x = 11,653,988,291.81/122,597.98
  6. Step 6: Final answer
    x = 95,058.57

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1.5x scale

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.