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Finding the Fourth Proportional to 310,940.07, 429,092.27 and 174,973.94

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Solution

The fourth proportional to 310,940.07, 429,092.27 and 174,973.94 is: 241,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,940.07 : 429,092.27 = 174,973.94 : x
  2. Step 2: Convert to fraction form
    310,940.07/429,092.27 = 174,973.94/x
  3. Step 3: Cross multiply
    310,940.07x = 429,092.27 × 174,973.94
  4. Step 4: Simplify right side
    310,940.07x = 75,079,965,105.44
  5. Step 5: Solve for x
    x = 75,079,965,105.44/310,940.07
  6. Step 6: Final answer
    x = 241,461.21

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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.