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Finding the Fourth Proportional to 170,129.82, 255,194.69 and 169,883.76

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Solution

The fourth proportional to 170,129.82, 255,194.69 and 169,883.76 is: 254,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,129.82 : 255,194.69 = 169,883.76 : x
  2. Step 2: Convert to fraction form
    170,129.82/255,194.69 = 169,883.76/x
  3. Step 3: Cross multiply
    170,129.82x = 255,194.69 × 169,883.76
  4. Step 4: Simplify right side
    170,129.82x = 43,353,432,619.82
  5. Step 5: Solve for x
    x = 43,353,432,619.82/170,129.82
  6. Step 6: Final answer
    x = 254,825.60

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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.