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Finding the Fourth Proportional to 192,510.54, 288,815.01 and 74,150.10

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Solution

The fourth proportional to 192,510.54, 288,815.01 and 74,150.10 is: 111,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,510.54 : 288,815.01 = 74,150.10 : x
  2. Step 2: Convert to fraction form
    192,510.54/288,815.01 = 74,150.10/x
  3. Step 3: Cross multiply
    192,510.54x = 288,815.01 × 74,150.10
  4. Step 4: Simplify right side
    192,510.54x = 21,415,661,873.00
  5. Step 5: Solve for x
    x = 21,415,661,873.00/192,510.54
  6. Step 6: Final answer
    x = 111,244.10

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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.