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Finding the Fourth Proportional to 331,072.40, 496,613.15 and 94,415.10

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Solution

The fourth proportional to 331,072.40, 496,613.15 and 94,415.10 is: 141,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,072.40 : 496,613.15 = 94,415.10 : x
  2. Step 2: Convert to fraction form
    331,072.40/496,613.15 = 94,415.10/x
  3. Step 3: Cross multiply
    331,072.40x = 496,613.15 × 94,415.10
  4. Step 4: Simplify right side
    331,072.40x = 46,887,780,218.57
  5. Step 5: Solve for x
    x = 46,887,780,218.57/331,072.40
  6. Step 6: Final answer
    x = 141,623.95

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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.