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Finding the Fourth Proportional to 170,159.49, 255,239.24 and 45,497.25

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Solution

The fourth proportional to 170,159.49, 255,239.24 and 45,497.25 is: 68,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,159.49 : 255,239.24 = 45,497.25 : x
  2. Step 2: Convert to fraction form
    170,159.49/255,239.24 = 45,497.25/x
  3. Step 3: Cross multiply
    170,159.49x = 255,239.24 × 45,497.25
  4. Step 4: Simplify right side
    170,159.49x = 11,612,683,284.60
  5. Step 5: Solve for x
    x = 11,612,683,284.60/170,159.49
  6. Step 6: Final answer
    x = 68,245.88

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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.