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Finding the Fourth Proportional to 368,109, 552,293.10 and 181,251.72

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Solution

The fourth proportional to 368,109, 552,293.10 and 181,251.72 is: 271,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,109 : 552,293.10 = 181,251.72 : x
  2. Step 2: Convert to fraction form
    368,109/552,293.10 = 181,251.72/x
  3. Step 3: Cross multiply
    368,109x = 552,293.10 × 181,251.72
  4. Step 4: Simplify right side
    368,109x = 100,104,074,319.13
  5. Step 5: Solve for x
    x = 100,104,074,319.13/368,109
  6. Step 6: Final answer
    x = 271,941.39

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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.