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Finding the Fourth Proportional to 295,350.16, 407,583.16 and 161,214.16

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Solution

The fourth proportional to 295,350.16, 407,583.16 and 161,214.16 is: 222,475.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,350.16 : 407,583.16 = 161,214.16 : x
  2. Step 2: Convert to fraction form
    295,350.16/407,583.16 = 161,214.16/x
  3. Step 3: Cross multiply
    295,350.16x = 407,583.16 × 161,214.16
  4. Step 4: Simplify right side
    295,350.16x = 65,708,176,769.55
  5. Step 5: Solve for x
    x = 65,708,176,769.55/295,350.16
  6. Step 6: Final answer
    x = 222,475.51

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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.