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Finding the Fourth Proportional to 171,114.97, 256,690.06 and 64,588.66

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Solution

The fourth proportional to 171,114.97, 256,690.06 and 64,588.66 is: 96,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,114.97 : 256,690.06 = 64,588.66 : x
  2. Step 2: Convert to fraction form
    171,114.97/256,690.06 = 64,588.66/x
  3. Step 3: Cross multiply
    171,114.97x = 256,690.06 × 64,588.66
  4. Step 4: Simplify right side
    171,114.97x = 16,579,266,570.83
  5. Step 5: Solve for x
    x = 16,579,266,570.83/171,114.97
  6. Step 6: Final answer
    x = 96,889.63

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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.