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Finding the Fourth Proportional to 227,247, 340,790.74 and 124,643.71

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Solution

The fourth proportional to 227,247, 340,790.74 and 124,643.71 is: 186,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,247 : 340,790.74 = 124,643.71 : x
  2. Step 2: Convert to fraction form
    227,247/340,790.74 = 124,643.71/x
  3. Step 3: Cross multiply
    227,247x = 340,790.74 × 124,643.71
  4. Step 4: Simplify right side
    227,247x = 42,477,422,167.25
  5. Step 5: Solve for x
    x = 42,477,422,167.25/227,247
  6. Step 6: Final answer
    x = 186,921.82

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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.