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Finding the Fourth Proportional to 140,999.46, 211,083.66 and 123,503.46

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Solution

The fourth proportional to 140,999.46, 211,083.66 and 123,503.46 is: 184,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,999.46 : 211,083.66 = 123,503.46 : x
  2. Step 2: Convert to fraction form
    140,999.46/211,083.66 = 123,503.46/x
  3. Step 3: Cross multiply
    140,999.46x = 211,083.66 × 123,503.46
  4. Step 4: Simplify right side
    140,999.46x = 26,069,562,359.46
  5. Step 5: Solve for x
    x = 26,069,562,359.46/140,999.46
  6. Step 6: Final answer
    x = 184,891.22

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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.