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Finding the Fourth Proportional to 302,771.37, 454,210.53 and 125,178.87

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Solution

The fourth proportional to 302,771.37, 454,210.53 and 125,178.87 is: 187,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,771.37 : 454,210.53 = 125,178.87 : x
  2. Step 2: Convert to fraction form
    302,771.37/454,210.53 = 125,178.87/x
  3. Step 3: Cross multiply
    302,771.37x = 454,210.53 × 125,178.87
  4. Step 4: Simplify right side
    302,771.37x = 56,857,560,887.50
  5. Step 5: Solve for x
    x = 56,857,560,887.50/302,771.37
  6. Step 6: Final answer
    x = 187,790.41

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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.