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Finding the Fourth Proportional to 295,124.56, 407,273.16 and 160,991.44

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Solution

The fourth proportional to 295,124.56, 407,273.16 and 160,991.44 is: 222,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,124.56 : 407,273.16 = 160,991.44 : x
  2. Step 2: Convert to fraction form
    295,124.56/407,273.16 = 160,991.44/x
  3. Step 3: Cross multiply
    295,124.56x = 407,273.16 × 160,991.44
  4. Step 4: Simplify right side
    295,124.56x = 65,567,492,501.75
  5. Step 5: Solve for x
    x = 65,567,492,501.75/295,124.56
  6. Step 6: Final answer
    x = 222,168.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.