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Finding the Fourth Proportional to 68,851.17, 103,190.67 and 29,362.23

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Solution

The fourth proportional to 68,851.17, 103,190.67 and 29,362.23 is: 44,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,851.17 : 103,190.67 = 29,362.23 : x
  2. Step 2: Convert to fraction form
    68,851.17/103,190.67 = 29,362.23/x
  3. Step 3: Cross multiply
    68,851.17x = 103,190.67 × 29,362.23
  4. Step 4: Simplify right side
    68,851.17x = 3,029,908,186.39
  5. Step 5: Solve for x
    x = 3,029,908,186.39/68,851.17
  6. Step 6: Final answer
    x = 44,006.63

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1.5x scale

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.