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Finding the Fourth Proportional to 170,987.47, 256,481.16 and 46,328.47

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Solution

The fourth proportional to 170,987.47, 256,481.16 and 46,328.47 is: 69,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,987.47 : 256,481.16 = 46,328.47 : x
  2. Step 2: Convert to fraction form
    170,987.47/256,481.16 = 46,328.47/x
  3. Step 3: Cross multiply
    170,987.47x = 256,481.16 × 46,328.47
  4. Step 4: Simplify right side
    170,987.47x = 11,882,379,726.63
  5. Step 5: Solve for x
    x = 11,882,379,726.63/170,987.47
  6. Step 6: Final answer
    x = 69,492.69

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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.