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Finding the Fourth Proportional to 171,522.88, 257,679.84 and 164,437.12

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Solution

The fourth proportional to 171,522.88, 257,679.84 and 164,437.12 is: 247,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,522.88 : 257,679.84 = 164,437.12 : x
  2. Step 2: Convert to fraction form
    171,522.88/257,679.84 = 164,437.12/x
  3. Step 3: Cross multiply
    171,522.88x = 257,679.84 × 164,437.12
  4. Step 4: Simplify right side
    171,522.88x = 42,372,130,771.66
  5. Step 5: Solve for x
    x = 42,372,130,771.66/171,522.88
  6. Step 6: Final answer
    x = 247,034.86

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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.