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Finding the Fourth Proportional to 208,672.02, 313,052.58 and 84,013.02

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Solution

The fourth proportional to 208,672.02, 313,052.58 and 84,013.02 is: 126,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,672.02 : 313,052.58 = 84,013.02 : x
  2. Step 2: Convert to fraction form
    208,672.02/313,052.58 = 84,013.02/x
  3. Step 3: Cross multiply
    208,672.02x = 313,052.58 × 84,013.02
  4. Step 4: Simplify right side
    208,672.02x = 26,300,492,664.59
  5. Step 5: Solve for x
    x = 26,300,492,664.59/208,672.02
  6. Step 6: Final answer
    x = 126,037.47

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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.