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Finding the Fourth Proportional to 368,104.29, 552,168.78 and 101,842.53

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Solution

The fourth proportional to 368,104.29, 552,168.78 and 101,842.53 is: 152,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,104.29 : 552,168.78 = 101,842.53 : x
  2. Step 2: Convert to fraction form
    368,104.29/552,168.78 = 101,842.53/x
  3. Step 3: Cross multiply
    368,104.29x = 552,168.78 × 101,842.53
  4. Step 4: Simplify right side
    368,104.29x = 56,234,265,542.21
  5. Step 5: Solve for x
    x = 56,234,265,542.21/368,104.29
  6. Step 6: Final answer
    x = 152,767.21

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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.