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Finding the Fourth Proportional to 182,210.45, 251,448.73 and 100,539.45

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Solution

The fourth proportional to 182,210.45, 251,448.73 and 100,539.45 is: 138,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,210.45 : 251,448.73 = 100,539.45 : x
  2. Step 2: Convert to fraction form
    182,210.45/251,448.73 = 100,539.45/x
  3. Step 3: Cross multiply
    182,210.45x = 251,448.73 × 100,539.45
  4. Step 4: Simplify right side
    182,210.45x = 25,280,516,766.05
  5. Step 5: Solve for x
    x = 25,280,516,766.05/182,210.45
  6. Step 6: Final answer
    x = 138,743.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.