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Finding the Fourth Proportional to 330,243.00, 495,208.33 and 127,933.86

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Solution

The fourth proportional to 330,243.00, 495,208.33 and 127,933.86 is: 191,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,243.00 : 495,208.33 = 127,933.86 : x
  2. Step 2: Convert to fraction form
    330,243.00/495,208.33 = 127,933.86/x
  3. Step 3: Cross multiply
    330,243.00x = 495,208.33 × 127,933.86
  4. Step 4: Simplify right side
    330,243.00x = 63,353,911,239.56
  5. Step 5: Solve for x
    x = 63,353,911,239.56/330,243.00
  6. Step 6: Final answer
    x = 191,840.29

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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.