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Finding the Fourth Proportional to 171,320.63, 256,980.94 and 46,661.63

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Solution

The fourth proportional to 171,320.63, 256,980.94 and 46,661.63 is: 69,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,320.63 : 256,980.94 = 46,661.63 : x
  2. Step 2: Convert to fraction form
    171,320.63/256,980.94 = 46,661.63/x
  3. Step 3: Cross multiply
    171,320.63x = 256,980.94 × 46,661.63
  4. Step 4: Simplify right side
    171,320.63x = 11,991,148,137.77
  5. Step 5: Solve for x
    x = 11,991,148,137.77/171,320.63
  6. Step 6: Final answer
    x = 69,992.44

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1.5x scale

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.