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Finding the Fourth Proportional to 170,860.40, 256,290.60 and 163,084.40

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Solution

The fourth proportional to 170,860.40, 256,290.60 and 163,084.40 is: 244,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,860.40 : 256,290.60 = 163,084.40 : x
  2. Step 2: Convert to fraction form
    170,860.40/256,290.60 = 163,084.40/x
  3. Step 3: Cross multiply
    170,860.40x = 256,290.60 × 163,084.40
  4. Step 4: Simplify right side
    170,860.40x = 41,796,998,726.64
  5. Step 5: Solve for x
    x = 41,796,998,726.64/170,860.40
  6. Step 6: Final answer
    x = 244,626.60

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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.