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Finding the Fourth Proportional to 173,636.70, 260,270.52 and 83,623.29

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Solution

The fourth proportional to 173,636.70, 260,270.52 and 83,623.29 is: 125,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,636.70 : 260,270.52 = 83,623.29 : x
  2. Step 2: Convert to fraction form
    173,636.70/260,270.52 = 83,623.29/x
  3. Step 3: Cross multiply
    173,636.70x = 260,270.52 × 83,623.29
  4. Step 4: Simplify right side
    173,636.70x = 21,764,677,172.41
  5. Step 5: Solve for x
    x = 21,764,677,172.41/173,636.70
  6. Step 6: Final answer
    x = 125,346.07

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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.