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Finding the Fourth Proportional to 101,066.40, 151,599.60 and 74,494.35

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Solution

The fourth proportional to 101,066.40, 151,599.60 and 74,494.35 is: 111,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066.40 : 151,599.60 = 74,494.35 : x
  2. Step 2: Convert to fraction form
    101,066.40/151,599.60 = 74,494.35/x
  3. Step 3: Cross multiply
    101,066.40x = 151,599.60 × 74,494.35
  4. Step 4: Simplify right side
    101,066.40x = 11,293,313,662.26
  5. Step 5: Solve for x
    x = 11,293,313,662.26/101,066.40
  6. Step 6: Final answer
    x = 111,741.53

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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.