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Finding the Fourth Proportional to 174,015.20, 261,411.60 and 167,405.60

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Solution

The fourth proportional to 174,015.20, 261,411.60 and 167,405.60 is: 251,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,015.20 : 261,411.60 = 167,405.60 : x
  2. Step 2: Convert to fraction form
    174,015.20/261,411.60 = 167,405.60/x
  3. Step 3: Cross multiply
    174,015.20x = 261,411.60 × 167,405.60
  4. Step 4: Simplify right side
    174,015.20x = 43,761,765,744.96
  5. Step 5: Solve for x
    x = 43,761,765,744.96/174,015.20
  6. Step 6: Final answer
    x = 251,482.43

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1.5x scale

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.