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Finding the Fourth Proportional to 270,703.17, 373,573.67 and 149,855.63

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Solution

The fourth proportional to 270,703.17, 373,573.67 and 149,855.63 is: 206,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,703.17 : 373,573.67 = 149,855.63 : x
  2. Step 2: Convert to fraction form
    270,703.17/373,573.67 = 149,855.63/x
  3. Step 3: Cross multiply
    270,703.17x = 373,573.67 × 149,855.63
  4. Step 4: Simplify right side
    270,703.17x = 55,982,115,052.12
  5. Step 5: Solve for x
    x = 55,982,115,052.12/270,703.17
  6. Step 6: Final answer
    x = 206,802.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.