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Finding the Fourth Proportional to 368,148.91, 552,161.85 and 101,936.34

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Solution

The fourth proportional to 368,148.91, 552,161.85 and 101,936.34 is: 152,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,148.91 : 552,161.85 = 101,936.34 : x
  2. Step 2: Convert to fraction form
    368,148.91/552,161.85 = 101,936.34/x
  3. Step 3: Cross multiply
    368,148.91x = 552,161.85 × 101,936.34
  4. Step 4: Simplify right side
    368,148.91x = 56,285,358,076.63
  5. Step 5: Solve for x
    x = 56,285,358,076.63/368,148.91
  6. Step 6: Final answer
    x = 152,887.48

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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.