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Finding the Fourth Proportional to 295,429.06, 407,690.49 and 161,292.10

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Solution

The fourth proportional to 295,429.06, 407,690.49 and 161,292.10 is: 222,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,429.06 : 407,690.49 = 161,292.10 : x
  2. Step 2: Convert to fraction form
    295,429.06/407,690.49 = 161,292.10/x
  3. Step 3: Cross multiply
    295,429.06x = 407,690.49 × 161,292.10
  4. Step 4: Simplify right side
    295,429.06x = 65,757,255,282.13
  5. Step 5: Solve for x
    x = 65,757,255,282.13/295,429.06
  6. Step 6: Final answer
    x = 222,582.22

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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.