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Finding the Fourth Proportional to 163,242.74, 244,865.64 and 49,391.44

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Solution

The fourth proportional to 163,242.74, 244,865.64 and 49,391.44 is: 74,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,242.74 : 244,865.64 = 49,391.44 : x
  2. Step 2: Convert to fraction form
    163,242.74/244,865.64 = 49,391.44/x
  3. Step 3: Cross multiply
    163,242.74x = 244,865.64 × 49,391.44
  4. Step 4: Simplify right side
    163,242.74x = 12,094,266,566.12
  5. Step 5: Solve for x
    x = 12,094,266,566.12/163,242.74
  6. Step 6: Final answer
    x = 74,087.62

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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.