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Finding the Fourth Proportional to 171,330.30, 256,995.45 and 46,671.30

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Solution

The fourth proportional to 171,330.30, 256,995.45 and 46,671.30 is: 70,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,330.30 : 256,995.45 = 46,671.30 : x
  2. Step 2: Convert to fraction form
    171,330.30/256,995.45 = 46,671.30/x
  3. Step 3: Cross multiply
    171,330.30x = 256,995.45 × 46,671.30
  4. Step 4: Simplify right side
    171,330.30x = 11,994,311,745.59
  5. Step 5: Solve for x
    x = 11,994,311,745.59/171,330.30
  6. Step 6: Final answer
    x = 70,006.95

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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.