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Finding the Fourth Proportional to 303,137.66, 418,332.87 and 167,176.41

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Solution

The fourth proportional to 303,137.66, 418,332.87 and 167,176.41 is: 230,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,137.66 : 418,332.87 = 167,176.41 : x
  2. Step 2: Convert to fraction form
    303,137.66/418,332.87 = 167,176.41/x
  3. Step 3: Cross multiply
    303,137.66x = 418,332.87 × 167,176.41
  4. Step 4: Simplify right side
    303,137.66x = 69,935,387,391.60
  5. Step 5: Solve for x
    x = 69,935,387,391.60/303,137.66
  6. Step 6: Final answer
    x = 230,705.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.