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Finding the Fourth Proportional to 354,946.52, 532,108.74 and 133,486.04

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Solution

The fourth proportional to 354,946.52, 532,108.74 and 133,486.04 is: 200,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,946.52 : 532,108.74 = 133,486.04 : x
  2. Step 2: Convert to fraction form
    354,946.52/532,108.74 = 133,486.04/x
  3. Step 3: Cross multiply
    354,946.52x = 532,108.74 × 133,486.04
  4. Step 4: Simplify right side
    354,946.52x = 71,029,088,551.99
  5. Step 5: Solve for x
    x = 71,029,088,551.99/354,946.52
  6. Step 6: Final answer
    x = 200,112.09

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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.