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Finding the Fourth Proportional to 284,956.49, 427,235.46 and 124,955.57

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Solution

The fourth proportional to 284,956.49, 427,235.46 and 124,955.57 is: 187,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,956.49 : 427,235.46 = 124,955.57 : x
  2. Step 2: Convert to fraction form
    284,956.49/427,235.46 = 124,955.57/x
  3. Step 3: Cross multiply
    284,956.49x = 427,235.46 × 124,955.57
  4. Step 4: Simplify right side
    284,956.49x = 53,385,448,292.33
  5. Step 5: Solve for x
    x = 53,385,448,292.33/284,956.49
  6. Step 6: Final answer
    x = 187,345.97

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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.