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Finding the Fourth Proportional to 335,783.82, 503,554.77 and 111,102.78

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Solution

The fourth proportional to 335,783.82, 503,554.77 and 111,102.78 is: 166,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,783.82 : 503,554.77 = 111,102.78 : x
  2. Step 2: Convert to fraction form
    335,783.82/503,554.77 = 111,102.78/x
  3. Step 3: Cross multiply
    335,783.82x = 503,554.77 × 111,102.78
  4. Step 4: Simplify right side
    335,783.82x = 55,946,334,829.26
  5. Step 5: Solve for x
    x = 55,946,334,829.26/335,783.82
  6. Step 6: Final answer
    x = 166,614.15

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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.