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Finding the Fourth Proportional to 311,294.40, 466,768.80 and 124,094.40

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Solution

The fourth proportional to 311,294.40, 466,768.80 and 124,094.40 is: 186,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,294.40 : 466,768.80 = 124,094.40 : x
  2. Step 2: Convert to fraction form
    311,294.40/466,768.80 = 124,094.40/x
  3. Step 3: Cross multiply
    311,294.40x = 466,768.80 × 124,094.40
  4. Step 4: Simplify right side
    311,294.40x = 57,923,394,174.72
  5. Step 5: Solve for x
    x = 57,923,394,174.72/311,294.40
  6. Step 6: Final answer
    x = 186,072.72

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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.