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Finding the Fourth Proportional to 441,651.09, 662,487.53 and 161,168.25

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Solution

The fourth proportional to 441,651.09, 662,487.53 and 161,168.25 is: 241,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,651.09 : 662,487.53 = 161,168.25 : x
  2. Step 2: Convert to fraction form
    441,651.09/662,487.53 = 161,168.25/x
  3. Step 3: Cross multiply
    441,651.09x = 662,487.53 × 161,168.25
  4. Step 4: Simplify right side
    441,651.09x = 106,771,955,051.08
  5. Step 5: Solve for x
    x = 106,771,955,051.08/441,651.09
  6. Step 6: Final answer
    x = 241,756.35

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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.