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Finding the Fourth Proportional to 188,338.27, 282,507.39 and 70,039.39

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Solution

The fourth proportional to 188,338.27, 282,507.39 and 70,039.39 is: 105,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,338.27 : 282,507.39 = 70,039.39 : x
  2. Step 2: Convert to fraction form
    188,338.27/282,507.39 = 70,039.39/x
  3. Step 3: Cross multiply
    188,338.27x = 282,507.39 × 70,039.39
  4. Step 4: Simplify right side
    188,338.27x = 19,786,645,266.09
  5. Step 5: Solve for x
    x = 19,786,645,266.09/188,338.27
  6. Step 6: Final answer
    x = 105,059.08

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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.