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Finding the Fourth Proportional to 284,976.70, 427,582.80 and 124,969.84

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Solution

The fourth proportional to 284,976.70, 427,582.80 and 124,969.84 is: 187,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,976.70 : 427,582.80 = 124,969.84 : x
  2. Step 2: Convert to fraction form
    284,976.70/427,582.80 = 124,969.84/x
  3. Step 3: Cross multiply
    284,976.70x = 427,582.80 × 124,969.84
  4. Step 4: Simplify right side
    284,976.70x = 53,434,953,033.80
  5. Step 5: Solve for x
    x = 53,434,953,033.80/284,976.70
  6. Step 6: Final answer
    x = 187,506.39

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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.