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Finding the Fourth Proportional to 178,155.92, 245,855.22 and 97,584.78

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Solution

The fourth proportional to 178,155.92, 245,855.22 and 97,584.78 is: 134,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,155.92 : 245,855.22 = 97,584.78 : x
  2. Step 2: Convert to fraction form
    178,155.92/245,855.22 = 97,584.78/x
  3. Step 3: Cross multiply
    178,155.92x = 245,855.22 × 97,584.78
  4. Step 4: Simplify right side
    178,155.92x = 23,991,727,555.55
  5. Step 5: Solve for x
    x = 23,991,727,555.55/178,155.92
  6. Step 6: Final answer
    x = 134,667.03

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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.