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Finding the Fourth Proportional to 179,670.66, 247,956.84 and 103,213.68

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Solution

The fourth proportional to 179,670.66, 247,956.84 and 103,213.68 is: 142,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,670.66 : 247,956.84 = 103,213.68 : x
  2. Step 2: Convert to fraction form
    179,670.66/247,956.84 = 103,213.68/x
  3. Step 3: Cross multiply
    179,670.66x = 247,956.84 × 103,213.68
  4. Step 4: Simplify right side
    179,670.66x = 25,592,537,937.57
  5. Step 5: Solve for x
    x = 25,592,537,937.57/179,670.66
  6. Step 6: Final answer
    x = 142,441.39

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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.