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Finding the Fourth Proportional to 69,492.84, 104,238.40 and 16,902.38

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Solution

The fourth proportional to 69,492.84, 104,238.40 and 16,902.38 is: 25,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,492.84 : 104,238.40 = 16,902.38 : x
  2. Step 2: Convert to fraction form
    69,492.84/104,238.40 = 16,902.38/x
  3. Step 3: Cross multiply
    69,492.84x = 104,238.40 × 16,902.38
  4. Step 4: Simplify right side
    69,492.84x = 1,761,877,047.39
  5. Step 5: Solve for x
    x = 1,761,877,047.39/69,492.84
  6. Step 6: Final answer
    x = 25,353.36

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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.