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Finding the Fourth Proportional to 110,085, 151,930.26 and 65,373

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Solution

The fourth proportional to 110,085, 151,930.26 and 65,373 is: 90,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,085 : 151,930.26 = 65,373 : x
  2. Step 2: Convert to fraction form
    110,085/151,930.26 = 65,373/x
  3. Step 3: Cross multiply
    110,085x = 151,930.26 × 65,373
  4. Step 4: Simplify right side
    110,085x = 9,932,136,886.98
  5. Step 5: Solve for x
    x = 9,932,136,886.98/110,085
  6. Step 6: Final answer
    x = 90,222.44

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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.