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Finding the Fourth Proportional to 176,847.87, 265,181.68 and 86,896.56

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Solution

The fourth proportional to 176,847.87, 265,181.68 and 86,896.56 is: 130,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,847.87 : 265,181.68 = 86,896.56 : x
  2. Step 2: Convert to fraction form
    176,847.87/265,181.68 = 86,896.56/x
  3. Step 3: Cross multiply
    176,847.87x = 265,181.68 × 86,896.56
  4. Step 4: Simplify right side
    176,847.87x = 23,043,375,767.02
  5. Step 5: Solve for x
    x = 23,043,375,767.02/176,847.87
  6. Step 6: Final answer
    x = 130,300.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.