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Finding the Fourth Proportional to 250,168.38, 375,139.28 and 107,946.54

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Solution

The fourth proportional to 250,168.38, 375,139.28 and 107,946.54 is: 161,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,168.38 : 375,139.28 = 107,946.54 : x
  2. Step 2: Convert to fraction form
    250,168.38/375,139.28 = 107,946.54/x
  3. Step 3: Cross multiply
    250,168.38x = 375,139.28 × 107,946.54
  4. Step 4: Simplify right side
    250,168.38x = 40,494,987,294.09
  5. Step 5: Solve for x
    x = 40,494,987,294.09/250,168.38
  6. Step 6: Final answer
    x = 161,870.93

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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.