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Finding the Fourth Proportional to 368,144.22, 552,217.11 and 101,905.50

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Solution

The fourth proportional to 368,144.22, 552,217.11 and 101,905.50 is: 152,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,144.22 : 552,217.11 = 101,905.50 : x
  2. Step 2: Convert to fraction form
    368,144.22/552,217.11 = 101,905.50/x
  3. Step 3: Cross multiply
    368,144.22x = 552,217.11 × 101,905.50
  4. Step 4: Simplify right side
    368,144.22x = 56,273,960,703.11
  5. Step 5: Solve for x
    x = 56,273,960,703.11/368,144.22
  6. Step 6: Final answer
    x = 152,858.47

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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.