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Finding the Fourth Proportional to 229,231.80, 343,846.08 and 124,715.16

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Solution

The fourth proportional to 229,231.80, 343,846.08 and 124,715.16 is: 187,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,231.80 : 343,846.08 = 124,715.16 : x
  2. Step 2: Convert to fraction form
    229,231.80/343,846.08 = 124,715.16/x
  3. Step 3: Cross multiply
    229,231.80x = 343,846.08 × 124,715.16
  4. Step 4: Simplify right side
    229,231.80x = 42,882,818,882.57
  5. Step 5: Solve for x
    x = 42,882,818,882.57/229,231.80
  6. Step 6: Final answer
    x = 187,071.86

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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.