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Finding the Fourth Proportional to 71,369.51, 98,503.70 and 41,174.33

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Solution

The fourth proportional to 71,369.51, 98,503.70 and 41,174.33 is: 56,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,369.51 : 98,503.70 = 41,174.33 : x
  2. Step 2: Convert to fraction form
    71,369.51/98,503.70 = 41,174.33/x
  3. Step 3: Cross multiply
    71,369.51x = 98,503.70 × 41,174.33
  4. Step 4: Simplify right side
    71,369.51x = 4,055,823,151.63
  5. Step 5: Solve for x
    x = 4,055,823,151.63/71,369.51
  6. Step 6: Final answer
    x = 56,828.52

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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.