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Finding the Fourth Proportional to 192,969.54, 288,955.71 and 133,182.45

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Solution

The fourth proportional to 192,969.54, 288,955.71 and 133,182.45 is: 199,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,969.54 : 288,955.71 = 133,182.45 : x
  2. Step 2: Convert to fraction form
    192,969.54/288,955.71 = 133,182.45/x
  3. Step 3: Cross multiply
    192,969.54x = 288,955.71 × 133,182.45
  4. Step 4: Simplify right side
    192,969.54x = 38,483,829,399.29
  5. Step 5: Solve for x
    x = 38,483,829,399.29/192,969.54
  6. Step 6: Final answer
    x = 199,429.55

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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.