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Finding the Fourth Proportional to 170,275.50, 255,019.59 and 164,370.60

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Solution

The fourth proportional to 170,275.50, 255,019.59 and 164,370.60 is: 246,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,275.50 : 255,019.59 = 164,370.60 : x
  2. Step 2: Convert to fraction form
    170,275.50/255,019.59 = 164,370.60/x
  3. Step 3: Cross multiply
    170,275.50x = 255,019.59 × 164,370.60
  4. Step 4: Simplify right side
    170,275.50x = 41,917,723,020.05
  5. Step 5: Solve for x
    x = 41,917,723,020.05/170,275.50
  6. Step 6: Final answer
    x = 246,175.89

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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.