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Finding the Fourth Proportional to 123,573.64, 185,358.72 and 48,694.43

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Solution

The fourth proportional to 123,573.64, 185,358.72 and 48,694.43 is: 73,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,573.64 : 185,358.72 = 48,694.43 : x
  2. Step 2: Convert to fraction form
    123,573.64/185,358.72 = 48,694.43/x
  3. Step 3: Cross multiply
    123,573.64x = 185,358.72 × 48,694.43
  4. Step 4: Simplify right side
    123,573.64x = 9,025,937,801.06
  5. Step 5: Solve for x
    x = 9,025,937,801.06/123,573.64
  6. Step 6: Final answer
    x = 73,040.97

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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.