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Finding the Fourth Proportional to 61,133.34, 84,367.49 and 34,274.55

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Solution

The fourth proportional to 61,133.34, 84,367.49 and 34,274.55 is: 47,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,133.34 : 84,367.49 = 34,274.55 : x
  2. Step 2: Convert to fraction form
    61,133.34/84,367.49 = 34,274.55/x
  3. Step 3: Cross multiply
    61,133.34x = 84,367.49 × 34,274.55
  4. Step 4: Simplify right side
    61,133.34x = 2,891,657,754.38
  5. Step 5: Solve for x
    x = 2,891,657,754.38/61,133.34
  6. Step 6: Final answer
    x = 47,300.83

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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.