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Finding the Fourth Proportional to 237,406.56, 356,157.36 and 87,647.76

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Solution

The fourth proportional to 237,406.56, 356,157.36 and 87,647.76 is: 131,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,406.56 : 356,157.36 = 87,647.76 : x
  2. Step 2: Convert to fraction form
    237,406.56/356,157.36 = 87,647.76/x
  3. Step 3: Cross multiply
    237,406.56x = 356,157.36 × 87,647.76
  4. Step 4: Simplify right side
    237,406.56x = 31,216,394,811.51
  5. Step 5: Solve for x
    x = 31,216,394,811.51/237,406.56
  6. Step 6: Final answer
    x = 131,489.18

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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.