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Finding the Fourth Proportional to 401,055.32, 601,658.98 and 161,187.88

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Solution

The fourth proportional to 401,055.32, 601,658.98 and 161,187.88 is: 241,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,055.32 : 601,658.98 = 161,187.88 : x
  2. Step 2: Convert to fraction form
    401,055.32/601,658.98 = 161,187.88/x
  3. Step 3: Cross multiply
    401,055.32x = 601,658.98 × 161,187.88
  4. Step 4: Simplify right side
    401,055.32x = 96,980,135,469.16
  5. Step 5: Solve for x
    x = 96,980,135,469.16/401,055.32
  6. Step 6: Final answer
    x = 241,812.37

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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.