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Finding the Fourth Proportional to 241,069.89, 361,533.56 and 91,199.01

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Solution

The fourth proportional to 241,069.89, 361,533.56 and 91,199.01 is: 136,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,069.89 : 361,533.56 = 91,199.01 : x
  2. Step 2: Convert to fraction form
    241,069.89/361,533.56 = 91,199.01/x
  3. Step 3: Cross multiply
    241,069.89x = 361,533.56 × 91,199.01
  4. Step 4: Simplify right side
    241,069.89x = 32,971,502,297.78
  5. Step 5: Solve for x
    x = 32,971,502,297.78/241,069.89
  6. Step 6: Final answer
    x = 136,771.55

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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.