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Finding the Fourth Proportional to 171,069.80, 256,604.70 and 164,071.40

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Solution

The fourth proportional to 171,069.80, 256,604.70 and 164,071.40 is: 246,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,069.80 : 256,604.70 = 164,071.40 : x
  2. Step 2: Convert to fraction form
    171,069.80/256,604.70 = 164,071.40/x
  3. Step 3: Cross multiply
    171,069.80x = 256,604.70 × 164,071.40
  4. Step 4: Simplify right side
    171,069.80x = 42,101,492,375.58
  5. Step 5: Solve for x
    x = 42,101,492,375.58/171,069.80
  6. Step 6: Final answer
    x = 246,107.10

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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.