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Finding the Fourth Proportional to 368,147.32, 552,279.42 and 118,771

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Solution

The fourth proportional to 368,147.32, 552,279.42 and 118,771 is: 178,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,147.32 : 552,279.42 = 118,771 : x
  2. Step 2: Convert to fraction form
    368,147.32/552,279.42 = 118,771/x
  3. Step 3: Cross multiply
    368,147.32x = 552,279.42 × 118,771
  4. Step 4: Simplify right side
    368,147.32x = 65,594,778,992.82
  5. Step 5: Solve for x
    x = 65,594,778,992.82/368,147.32
  6. Step 6: Final answer
    x = 178,175.35

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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.