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Finding the Fourth Proportional to 368,168.41, 552,187.81 and 98,299.90

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Solution

The fourth proportional to 368,168.41, 552,187.81 and 98,299.90 is: 147,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,168.41 : 552,187.81 = 98,299.90 : x
  2. Step 2: Convert to fraction form
    368,168.41/552,187.81 = 98,299.90/x
  3. Step 3: Cross multiply
    368,168.41x = 552,187.81 × 98,299.90
  4. Step 4: Simplify right side
    368,168.41x = 54,280,006,504.22
  5. Step 5: Solve for x
    x = 54,280,006,504.22/368,168.41
  6. Step 6: Final answer
    x = 147,432.55

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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.