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Finding the Fourth Proportional to 207,196.53, 285,956.51 and 116,556.32

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Solution

The fourth proportional to 207,196.53, 285,956.51 and 116,556.32 is: 160,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,196.53 : 285,956.51 = 116,556.32 : x
  2. Step 2: Convert to fraction form
    207,196.53/285,956.51 = 116,556.32/x
  3. Step 3: Cross multiply
    207,196.53x = 285,956.51 × 116,556.32
  4. Step 4: Simplify right side
    207,196.53x = 33,330,036,473.08
  5. Step 5: Solve for x
    x = 33,330,036,473.08/207,196.53
  6. Step 6: Final answer
    x = 160,861.94

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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.