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Finding the Fourth Proportional to 171,323.50, 256,985.25 and 46,664.50

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Solution

The fourth proportional to 171,323.50, 256,985.25 and 46,664.50 is: 69,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,323.50 : 256,985.25 = 46,664.50 : x
  2. Step 2: Convert to fraction form
    171,323.50/256,985.25 = 46,664.50/x
  3. Step 3: Cross multiply
    171,323.50x = 256,985.25 × 46,664.50
  4. Step 4: Simplify right side
    171,323.50x = 11,992,088,198.63
  5. Step 5: Solve for x
    x = 11,992,088,198.63/171,323.50
  6. Step 6: Final answer
    x = 69,996.75

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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.