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Finding the Fourth Proportional to 237,245.01, 355,871.64 and 87,408.18

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Solution

The fourth proportional to 237,245.01, 355,871.64 and 87,408.18 is: 131,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,245.01 : 355,871.64 = 87,408.18 : x
  2. Step 2: Convert to fraction form
    237,245.01/355,871.64 = 87,408.18/x
  3. Step 3: Cross multiply
    237,245.01x = 355,871.64 × 87,408.18
  4. Step 4: Simplify right side
    237,245.01x = 31,106,090,586.66
  5. Step 5: Solve for x
    x = 31,106,090,586.66/237,245.01
  6. Step 6: Final answer
    x = 131,113.78

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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.