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Finding the Fourth Proportional to 192,858.77, 289,121.60 and 93,089.05

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Solution

The fourth proportional to 192,858.77, 289,121.60 and 93,089.05 is: 139,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,858.77 : 289,121.60 = 93,089.05 : x
  2. Step 2: Convert to fraction form
    192,858.77/289,121.60 = 93,089.05/x
  3. Step 3: Cross multiply
    192,858.77x = 289,121.60 × 93,089.05
  4. Step 4: Simplify right side
    192,858.77x = 26,914,054,588.40
  5. Step 5: Solve for x
    x = 26,914,054,588.40/192,858.77
  6. Step 6: Final answer
    x = 139,553.18

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1.5x scale

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.