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Finding the Fourth Proportional to 368,101.66, 552,164.78 and 101,839.90

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Solution

The fourth proportional to 368,101.66, 552,164.78 and 101,839.90 is: 152,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,101.66 : 552,164.78 = 101,839.90 : x
  2. Step 2: Convert to fraction form
    368,101.66/552,164.78 = 101,839.90/x
  3. Step 3: Cross multiply
    368,101.66x = 552,164.78 × 101,839.90
  4. Step 4: Simplify right side
    368,101.66x = 56,232,405,978.72
  5. Step 5: Solve for x
    x = 56,232,405,978.72/368,101.66
  6. Step 6: Final answer
    x = 152,763.25

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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.