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Finding the Fourth Proportional to 137,994.75, 207,057.48 and 58,050.24

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Solution

The fourth proportional to 137,994.75, 207,057.48 and 58,050.24 is: 87,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,994.75 : 207,057.48 = 58,050.24 : x
  2. Step 2: Convert to fraction form
    137,994.75/207,057.48 = 58,050.24/x
  3. Step 3: Cross multiply
    137,994.75x = 207,057.48 × 58,050.24
  4. Step 4: Simplify right side
    137,994.75x = 12,019,736,407.80
  5. Step 5: Solve for x
    x = 12,019,736,407.80/137,994.75
  6. Step 6: Final answer
    x = 87,102.85

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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.