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Finding the Fourth Proportional to 245,220.96, 367,860.24 and 87,471.84

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Solution

The fourth proportional to 245,220.96, 367,860.24 and 87,471.84 is: 131,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,220.96 : 367,860.24 = 87,471.84 : x
  2. Step 2: Convert to fraction form
    245,220.96/367,860.24 = 87,471.84/x
  3. Step 3: Cross multiply
    245,220.96x = 367,860.24 × 87,471.84
  4. Step 4: Simplify right side
    245,220.96x = 32,177,412,055.64
  5. Step 5: Solve for x
    x = 32,177,412,055.64/245,220.96
  6. Step 6: Final answer
    x = 131,218.03

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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.