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Finding the Fourth Proportional to 368,100.66, 552,163.28 and 101,838.90

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Solution

The fourth proportional to 368,100.66, 552,163.28 and 101,838.90 is: 152,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,100.66 : 552,163.28 = 101,838.90 : x
  2. Step 2: Convert to fraction form
    368,100.66/552,163.28 = 101,838.90/x
  3. Step 3: Cross multiply
    368,100.66x = 552,163.28 × 101,838.90
  4. Step 4: Simplify right side
    368,100.66x = 56,231,701,055.59
  5. Step 5: Solve for x
    x = 56,231,701,055.59/368,100.66
  6. Step 6: Final answer
    x = 152,761.75

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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.