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Finding the Fourth Proportional to 173,790, 239,830.20 and 94,302

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Solution

The fourth proportional to 173,790, 239,830.20 and 94,302 is: 130,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,790 : 239,830.20 = 94,302 : x
  2. Step 2: Convert to fraction form
    173,790/239,830.20 = 94,302/x
  3. Step 3: Cross multiply
    173,790x = 239,830.20 × 94,302
  4. Step 4: Simplify right side
    173,790x = 22,616,467,520.40
  5. Step 5: Solve for x
    x = 22,616,467,520.40/173,790
  6. Step 6: Final answer
    x = 130,136.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.