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Finding the Fourth Proportional to 375,274.23, 562,912.49 and 90,963.66

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Solution

The fourth proportional to 375,274.23, 562,912.49 and 90,963.66 is: 136,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,274.23 : 562,912.49 = 90,963.66 : x
  2. Step 2: Convert to fraction form
    375,274.23/562,912.49 = 90,963.66/x
  3. Step 3: Cross multiply
    375,274.23x = 562,912.49 × 90,963.66
  4. Step 4: Simplify right side
    375,274.23x = 51,204,580,350.11
  5. Step 5: Solve for x
    x = 51,204,580,350.11/375,274.23
  6. Step 6: Final answer
    x = 136,445.77

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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.