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Finding the Fourth Proportional to 117,980.18, 176,872.31 and 46,858.94

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Solution

The fourth proportional to 117,980.18, 176,872.31 and 46,858.94 is: 70,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,980.18 : 176,872.31 = 46,858.94 : x
  2. Step 2: Convert to fraction form
    117,980.18/176,872.31 = 46,858.94/x
  3. Step 3: Cross multiply
    117,980.18x = 176,872.31 × 46,858.94
  4. Step 4: Simplify right side
    117,980.18x = 8,288,048,961.95
  5. Step 5: Solve for x
    x = 8,288,048,961.95/117,980.18
  6. Step 6: Final answer
    x = 70,249.50

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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.