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Finding the Fourth Proportional to 174,873.70, 262,310.55 and 155,190.70

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Solution

The fourth proportional to 174,873.70, 262,310.55 and 155,190.70 is: 232,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,873.70 : 262,310.55 = 155,190.70 : x
  2. Step 2: Convert to fraction form
    174,873.70/262,310.55 = 155,190.70/x
  3. Step 3: Cross multiply
    174,873.70x = 262,310.55 × 155,190.70
  4. Step 4: Simplify right side
    174,873.70x = 40,708,157,871.89
  5. Step 5: Solve for x
    x = 40,708,157,871.89/174,873.70
  6. Step 6: Final answer
    x = 232,786.05

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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.