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Finding the Fourth Proportional to 229,178.57, 343,370.95 and 124,069.73

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Solution

The fourth proportional to 229,178.57, 343,370.95 and 124,069.73 is: 185,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,178.57 : 343,370.95 = 124,069.73 : x
  2. Step 2: Convert to fraction form
    229,178.57/343,370.95 = 124,069.73/x
  3. Step 3: Cross multiply
    229,178.57x = 343,370.95 × 124,069.73
  4. Step 4: Simplify right side
    229,178.57x = 42,601,939,029.31
  5. Step 5: Solve for x
    x = 42,601,939,029.31/229,178.57
  6. Step 6: Final answer
    x = 185,889.72

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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.