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Finding the Fourth Proportional to 330,188.67, 495,213.75 and 93,467.79

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Solution

The fourth proportional to 330,188.67, 495,213.75 and 93,467.79 is: 140,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,188.67 : 495,213.75 = 93,467.79 : x
  2. Step 2: Convert to fraction form
    330,188.67/495,213.75 = 93,467.79/x
  3. Step 3: Cross multiply
    330,188.67x = 495,213.75 × 93,467.79
  4. Step 4: Simplify right side
    330,188.67x = 46,286,534,790.11
  5. Step 5: Solve for x
    x = 46,286,534,790.11/330,188.67
  6. Step 6: Final answer
    x = 140,182.08

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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.