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Finding the Fourth Proportional to 175,200.80, 262,820.40 and 169,671.20

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Solution

The fourth proportional to 175,200.80, 262,820.40 and 169,671.20 is: 254,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,200.80 : 262,820.40 = 169,671.20 : x
  2. Step 2: Convert to fraction form
    175,200.80/262,820.40 = 169,671.20/x
  3. Step 3: Cross multiply
    175,200.80x = 262,820.40 × 169,671.20
  4. Step 4: Simplify right side
    175,200.80x = 44,593,052,652.48
  5. Step 5: Solve for x
    x = 44,593,052,652.48/175,200.80
  6. Step 6: Final answer
    x = 254,525.39

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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.