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Finding the Fourth Proportional to 253,100.52, 379,838.49 and 119,981.04

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Solution

The fourth proportional to 253,100.52, 379,838.49 and 119,981.04 is: 180,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,100.52 : 379,838.49 = 119,981.04 : x
  2. Step 2: Convert to fraction form
    253,100.52/379,838.49 = 119,981.04/x
  3. Step 3: Cross multiply
    253,100.52x = 379,838.49 × 119,981.04
  4. Step 4: Simplify right side
    253,100.52x = 45,573,417,062.23
  5. Step 5: Solve for x
    x = 45,573,417,062.23/253,100.52
  6. Step 6: Final answer
    x = 180,060.54

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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.