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Finding the Fourth Proportional to 207,374.76, 286,183.62 and 117,956.52

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Solution

The fourth proportional to 207,374.76, 286,183.62 and 117,956.52 is: 162,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,374.76 : 286,183.62 = 117,956.52 : x
  2. Step 2: Convert to fraction form
    207,374.76/286,183.62 = 117,956.52/x
  3. Step 3: Cross multiply
    207,374.76x = 286,183.62 × 117,956.52
  4. Step 4: Simplify right side
    207,374.76x = 33,757,223,896.20
  5. Step 5: Solve for x
    x = 33,757,223,896.20/207,374.76
  6. Step 6: Final answer
    x = 162,783.67

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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.