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Finding the Fourth Proportional to 227,099.52, 340,790.22 and 154,228.68

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Solution

The fourth proportional to 227,099.52, 340,790.22 and 154,228.68 is: 231,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,099.52 : 340,790.22 = 154,228.68 : x
  2. Step 2: Convert to fraction form
    227,099.52/340,790.22 = 154,228.68/x
  3. Step 3: Cross multiply
    227,099.52x = 340,790.22 × 154,228.68
  4. Step 4: Simplify right side
    227,099.52x = 52,559,625,787.51
  5. Step 5: Solve for x
    x = 52,559,625,787.51/227,099.52
  6. Step 6: Final answer
    x = 231,438.74

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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.