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Finding the Fourth Proportional to 192,797.40, 289,088.82 and 59,640.60

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Solution

The fourth proportional to 192,797.40, 289,088.82 and 59,640.60 is: 89,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,797.40 : 289,088.82 = 59,640.60 : x
  2. Step 2: Convert to fraction form
    192,797.40/289,088.82 = 59,640.60/x
  3. Step 3: Cross multiply
    192,797.40x = 289,088.82 × 59,640.60
  4. Step 4: Simplify right side
    192,797.40x = 17,241,430,678.09
  5. Step 5: Solve for x
    x = 17,241,430,678.09/192,797.40
  6. Step 6: Final answer
    x = 89,427.71

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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.