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Finding the Fourth Proportional to 68,330.49, 102,495.68 and 35,029.29

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Solution

The fourth proportional to 68,330.49, 102,495.68 and 35,029.29 is: 52,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,330.49 : 102,495.68 = 35,029.29 : x
  2. Step 2: Convert to fraction form
    68,330.49/102,495.68 = 35,029.29/x
  3. Step 3: Cross multiply
    68,330.49x = 102,495.68 × 35,029.29
  4. Step 4: Simplify right side
    68,330.49x = 3,590,351,239.04
  5. Step 5: Solve for x
    x = 3,590,351,239.04/68,330.49
  6. Step 6: Final answer
    x = 52,543.91

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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.