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Finding the Fourth Proportional to 331,156.84, 496,739.81 and 94,499.48

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Solution

The fourth proportional to 331,156.84, 496,739.81 and 94,499.48 is: 141,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,156.84 : 496,739.81 = 94,499.48 : x
  2. Step 2: Convert to fraction form
    331,156.84/496,739.81 = 94,499.48/x
  3. Step 3: Cross multiply
    331,156.84x = 496,739.81 × 94,499.48
  4. Step 4: Simplify right side
    331,156.84x = 46,941,651,492.85
  5. Step 5: Solve for x
    x = 46,941,651,492.85/331,156.84
  6. Step 6: Final answer
    x = 141,750.51

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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.