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Finding the Fourth Proportional to 119,226.26, 178,900.72 and 65,908.28

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Solution

The fourth proportional to 119,226.26, 178,900.72 and 65,908.28 is: 98,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,226.26 : 178,900.72 = 65,908.28 : x
  2. Step 2: Convert to fraction form
    119,226.26/178,900.72 = 65,908.28/x
  3. Step 3: Cross multiply
    119,226.26x = 178,900.72 × 65,908.28
  4. Step 4: Simplify right side
    119,226.26x = 11,791,039,028.44
  5. Step 5: Solve for x
    x = 11,791,039,028.44/119,226.26
  6. Step 6: Final answer
    x = 98,896.32

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1.5x scale

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.