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Finding the Fourth Proportional to 368,100.16, 552,157.14 and 115,375.06

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Solution

The fourth proportional to 368,100.16, 552,157.14 and 115,375.06 is: 173,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,100.16 : 552,157.14 = 115,375.06 : x
  2. Step 2: Convert to fraction form
    368,100.16/552,157.14 = 115,375.06/x
  3. Step 3: Cross multiply
    368,100.16x = 552,157.14 × 115,375.06
  4. Step 4: Simplify right side
    368,100.16x = 63,705,163,156.93
  5. Step 5: Solve for x
    x = 63,705,163,156.93/368,100.16
  6. Step 6: Final answer
    x = 173,064.75

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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.