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Finding the Fourth Proportional to 170,987.94, 256,481.90 and 46,328.94

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Solution

The fourth proportional to 170,987.94, 256,481.90 and 46,328.94 is: 69,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,987.94 : 256,481.90 = 46,328.94 : x
  2. Step 2: Convert to fraction form
    170,987.94/256,481.90 = 46,328.94/x
  3. Step 3: Cross multiply
    170,987.94x = 256,481.90 × 46,328.94
  4. Step 4: Simplify right side
    170,987.94x = 11,882,534,556.19
  5. Step 5: Solve for x
    x = 11,882,534,556.19/170,987.94
  6. Step 6: Final answer
    x = 69,493.41

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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.