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Finding the Fourth Proportional to 195,994.53, 270,588.39 and 123,459.60

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Solution

The fourth proportional to 195,994.53, 270,588.39 and 123,459.60 is: 170,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,994.53 : 270,588.39 = 123,459.60 : x
  2. Step 2: Convert to fraction form
    195,994.53/270,588.39 = 123,459.60/x
  3. Step 3: Cross multiply
    195,994.53x = 270,588.39 × 123,459.60
  4. Step 4: Simplify right side
    195,994.53x = 33,406,734,394.04
  5. Step 5: Solve for x
    x = 33,406,734,394.04/195,994.53
  6. Step 6: Final answer
    x = 170,447.28

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1.5x scale

Why These Related Problems?

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