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Finding the Fourth Proportional to 368,181.84, 552,211.20 and 101,969.28

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Solution

The fourth proportional to 368,181.84, 552,211.20 and 101,969.28 is: 152,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,181.84 : 552,211.20 = 101,969.28 : x
  2. Step 2: Convert to fraction form
    368,181.84/552,211.20 = 101,969.28/x
  3. Step 3: Cross multiply
    368,181.84x = 552,211.20 × 101,969.28
  4. Step 4: Simplify right side
    368,181.84x = 56,308,578,471.94
  5. Step 5: Solve for x
    x = 56,308,578,471.94/368,181.84
  6. Step 6: Final answer
    x = 152,936.87

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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.