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Finding the Fourth Proportional to 123,998.55, 185,943.15 and 49,093.80

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Solution

The fourth proportional to 123,998.55, 185,943.15 and 49,093.80 is: 73,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,998.55 : 185,943.15 = 49,093.80 : x
  2. Step 2: Convert to fraction form
    123,998.55/185,943.15 = 49,093.80/x
  3. Step 3: Cross multiply
    123,998.55x = 185,943.15 × 49,093.80
  4. Step 4: Simplify right side
    123,998.55x = 9,128,655,817.47
  5. Step 5: Solve for x
    x = 9,128,655,817.47/123,998.55
  6. Step 6: Final answer
    x = 73,619.05

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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.