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Finding the Fourth Proportional to 171,797.63, 257,729.99 and 51,864.30

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Solution

The fourth proportional to 171,797.63, 257,729.99 and 51,864.30 is: 77,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,797.63 : 257,729.99 = 51,864.30 : x
  2. Step 2: Convert to fraction form
    171,797.63/257,729.99 = 51,864.30/x
  3. Step 3: Cross multiply
    171,797.63x = 257,729.99 × 51,864.30
  4. Step 4: Simplify right side
    171,797.63x = 13,366,985,261.04
  5. Step 5: Solve for x
    x = 13,366,985,261.04/171,797.63
  6. Step 6: Final answer
    x = 77,806.58

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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.