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Finding the Fourth Proportional to 169,064.64, 253,591.20 and 50,731.20

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Solution

The fourth proportional to 169,064.64, 253,591.20 and 50,731.20 is: 76,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,064.64 : 253,591.20 = 50,731.20 : x
  2. Step 2: Convert to fraction form
    169,064.64/253,591.20 = 50,731.20/x
  3. Step 3: Cross multiply
    169,064.64x = 253,591.20 × 50,731.20
  4. Step 4: Simplify right side
    169,064.64x = 12,864,985,885.44
  5. Step 5: Solve for x
    x = 12,864,985,885.44/169,064.64
  6. Step 6: Final answer
    x = 76,095.07

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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.