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Finding the Fourth Proportional to 171,256.88, 256,857.24 and 46,607.60

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Solution

The fourth proportional to 171,256.88, 256,857.24 and 46,607.60 is: 69,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,256.88 : 256,857.24 = 46,607.60 : x
  2. Step 2: Convert to fraction form
    171,256.88/256,857.24 = 46,607.60/x
  3. Step 3: Cross multiply
    171,256.88x = 256,857.24 × 46,607.60
  4. Step 4: Simplify right side
    171,256.88x = 11,971,499,499.02
  5. Step 5: Solve for x
    x = 11,971,499,499.02/171,256.88
  6. Step 6: Final answer
    x = 69,903.76

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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.