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Finding the Fourth Proportional to 169,401.60, 254,203.20 and 64,231.20

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Solution

The fourth proportional to 169,401.60, 254,203.20 and 64,231.20 is: 96,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,401.60 : 254,203.20 = 64,231.20 : x
  2. Step 2: Convert to fraction form
    169,401.60/254,203.20 = 64,231.20/x
  3. Step 3: Cross multiply
    169,401.60x = 254,203.20 × 64,231.20
  4. Step 4: Simplify right side
    169,401.60x = 16,327,776,579.84
  5. Step 5: Solve for x
    x = 16,327,776,579.84/169,401.60
  6. Step 6: Final answer
    x = 96,385.02

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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.