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Finding the Fourth Proportional to 74,342, 111,513 and 25,094

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Solution

The fourth proportional to 74,342, 111,513 and 25,094 is: 37,641

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342 : 111,513 = 25,094 : x
  2. Step 2: Convert to fraction form
    74,342/111,513 = 25,094/x
  3. Step 3: Cross multiply
    74,342x = 111,513 × 25,094
  4. Step 4: Simplify right side
    74,342x = 2,798,307,222
  5. Step 5: Solve for x
    x = 2,798,307,222/74,342
  6. Step 6: Final answer
    x = 37,641

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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.