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Finding the Fourth Proportional to 330,782.28, 496,098.72 and 94,119.72

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Solution

The fourth proportional to 330,782.28, 496,098.72 and 94,119.72 is: 141,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,782.28 : 496,098.72 = 94,119.72 : x
  2. Step 2: Convert to fraction form
    330,782.28/496,098.72 = 94,119.72/x
  3. Step 3: Cross multiply
    330,782.28x = 496,098.72 × 94,119.72
  4. Step 4: Simplify right side
    330,782.28x = 46,692,672,618.76
  5. Step 5: Solve for x
    x = 46,692,672,618.76/330,782.28
  6. Step 6: Final answer
    x = 141,158.33

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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.