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Finding the Fourth Proportional to 192,059.64, 288,720.45 and 178,187.28

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Solution

The fourth proportional to 192,059.64, 288,720.45 and 178,187.28 is: 267,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,059.64 : 288,720.45 = 178,187.28 : x
  2. Step 2: Convert to fraction form
    192,059.64/288,720.45 = 178,187.28/x
  3. Step 3: Cross multiply
    192,059.64x = 288,720.45 × 178,187.28
  4. Step 4: Simplify right side
    192,059.64x = 51,446,310,583.17
  5. Step 5: Solve for x
    x = 51,446,310,583.17/192,059.64
  6. Step 6: Final answer
    x = 267,866.33

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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.