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Finding the Fourth Proportional to 192,571.77, 288,857.40 and 74,160.07

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Solution

The fourth proportional to 192,571.77, 288,857.40 and 74,160.07 is: 111,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,571.77 : 288,857.40 = 74,160.07 : x
  2. Step 2: Convert to fraction form
    192,571.77/288,857.40 = 74,160.07/x
  3. Step 3: Cross multiply
    192,571.77x = 288,857.40 × 74,160.07
  4. Step 4: Simplify right side
    192,571.77x = 21,421,685,004.02
  5. Step 5: Solve for x
    x = 21,421,685,004.02/192,571.77
  6. Step 6: Final answer
    x = 111,240.01

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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.