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Finding the Fourth Proportional to 295,482.72, 407,765.52 and 161,346.72

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Solution

The fourth proportional to 295,482.72, 407,765.52 and 161,346.72 is: 222,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,482.72 : 407,765.52 = 161,346.72 : x
  2. Step 2: Convert to fraction form
    295,482.72/407,765.52 = 161,346.72/x
  3. Step 3: Cross multiply
    295,482.72x = 407,765.52 × 161,346.72
  4. Step 4: Simplify right side
    295,482.72x = 65,791,629,181.09
  5. Step 5: Solve for x
    x = 65,791,629,181.09/295,482.72
  6. Step 6: Final answer
    x = 222,658.13

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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.