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Finding the Fourth Proportional to 171,434.88, 257,149.44 and 46,775.88

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Solution

The fourth proportional to 171,434.88, 257,149.44 and 46,775.88 is: 70,163.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,434.88 : 257,149.44 = 46,775.88 : x
  2. Step 2: Convert to fraction form
    171,434.88/257,149.44 = 46,775.88/x
  3. Step 3: Cross multiply
    171,434.88x = 257,149.44 × 46,775.88
  4. Step 4: Simplify right side
    171,434.88x = 12,028,391,347.51
  5. Step 5: Solve for x
    x = 12,028,391,347.51/171,434.88
  6. Step 6: Final answer
    x = 70,163.03

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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.