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Finding the Fourth Proportional to 68,188.99, 102,330.29 and 23,815.82

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Solution

The fourth proportional to 68,188.99, 102,330.29 and 23,815.82 is: 35,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,188.99 : 102,330.29 = 23,815.82 : x
  2. Step 2: Convert to fraction form
    68,188.99/102,330.29 = 23,815.82/x
  3. Step 3: Cross multiply
    68,188.99x = 102,330.29 × 23,815.82
  4. Step 4: Simplify right side
    68,188.99x = 2,437,079,948.59
  5. Step 5: Solve for x
    x = 2,437,079,948.59/68,188.99
  6. Step 6: Final answer
    x = 35,740.08

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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.