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Finding the Fourth Proportional to 167,724.60, 251,724.60 and 166,412.40

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Solution

The fourth proportional to 167,724.60, 251,724.60 and 166,412.40 is: 249,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,724.60 : 251,724.60 = 166,412.40 : x
  2. Step 2: Convert to fraction form
    167,724.60/251,724.60 = 166,412.40/x
  3. Step 3: Cross multiply
    167,724.60x = 251,724.60 × 166,412.40
  4. Step 4: Simplify right side
    167,724.60x = 41,890,094,825.04
  5. Step 5: Solve for x
    x = 41,890,094,825.04/167,724.60
  6. Step 6: Final answer
    x = 249,755.22

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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.