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Finding the Fourth Proportional to 192,326.68, 288,490.02 and 74,053.72

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Solution

The fourth proportional to 192,326.68, 288,490.02 and 74,053.72 is: 111,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,326.68 : 288,490.02 = 74,053.72 : x
  2. Step 2: Convert to fraction form
    192,326.68/288,490.02 = 74,053.72/x
  3. Step 3: Cross multiply
    192,326.68x = 288,490.02 × 74,053.72
  4. Step 4: Simplify right side
    192,326.68x = 21,363,759,163.87
  5. Step 5: Solve for x
    x = 21,363,759,163.87/192,326.68
  6. Step 6: Final answer
    x = 111,080.58

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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.