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Finding the Fourth Proportional to 158,401.80, 237,165.30 and 123,409.80

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Solution

The fourth proportional to 158,401.80, 237,165.30 and 123,409.80 is: 184,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,401.80 : 237,165.30 = 123,409.80 : x
  2. Step 2: Convert to fraction form
    158,401.80/237,165.30 = 123,409.80/x
  3. Step 3: Cross multiply
    158,401.80x = 237,165.30 × 123,409.80
  4. Step 4: Simplify right side
    158,401.80x = 29,268,522,239.94
  5. Step 5: Solve for x
    x = 29,268,522,239.94/158,401.80
  6. Step 6: Final answer
    x = 184,773.92

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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.