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Finding the Fourth Proportional to 284,993.62, 427,293.59 and 124,992.70

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Solution

The fourth proportional to 284,993.62, 427,293.59 and 124,992.70 is: 187,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,993.62 : 427,293.59 = 124,992.70 : x
  2. Step 2: Convert to fraction form
    284,993.62/427,293.59 = 124,992.70/x
  3. Step 3: Cross multiply
    284,993.62x = 427,293.59 × 124,992.70
  4. Step 4: Simplify right side
    284,993.62x = 53,408,579,506.79
  5. Step 5: Solve for x
    x = 53,408,579,506.79/284,993.62
  6. Step 6: Final answer
    x = 187,402.72

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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.