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Finding the Fourth Proportional to 183,843.60, 275,765.40 and 137,187.60

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Solution

The fourth proportional to 183,843.60, 275,765.40 and 137,187.60 is: 205,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,843.60 : 275,765.40 = 137,187.60 : x
  2. Step 2: Convert to fraction form
    183,843.60/275,765.40 = 137,187.60/x
  3. Step 3: Cross multiply
    183,843.60x = 275,765.40 × 137,187.60
  4. Step 4: Simplify right side
    183,843.60x = 37,831,593,389.04
  5. Step 5: Solve for x
    x = 37,831,593,389.04/183,843.60
  6. Step 6: Final answer
    x = 205,781.40

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1.5x scale

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.