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Finding the Fourth Proportional to 171,211.86, 236,267.82 and 94,728.96

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Solution

The fourth proportional to 171,211.86, 236,267.82 and 94,728.96 is: 130,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,211.86 : 236,267.82 = 94,728.96 : x
  2. Step 2: Convert to fraction form
    171,211.86/236,267.82 = 94,728.96/x
  3. Step 3: Cross multiply
    171,211.86x = 236,267.82 × 94,728.96
  4. Step 4: Simplify right side
    171,211.86x = 22,381,404,870.07
  5. Step 5: Solve for x
    x = 22,381,404,870.07/171,211.86
  6. Step 6: Final answer
    x = 130,723.45

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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.