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Finding the Fourth Proportional to 103,274.52, 154,911.76 and 29,402.52

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Solution

The fourth proportional to 103,274.52, 154,911.76 and 29,402.52 is: 44,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,274.52 : 154,911.76 = 29,402.52 : x
  2. Step 2: Convert to fraction form
    103,274.52/154,911.76 = 29,402.52/x
  3. Step 3: Cross multiply
    103,274.52x = 154,911.76 × 29,402.52
  4. Step 4: Simplify right side
    103,274.52x = 4,554,796,121.64
  5. Step 5: Solve for x
    x = 4,554,796,121.64/103,274.52
  6. Step 6: Final answer
    x = 44,103.77

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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.