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Finding the Fourth Proportional to 188,697.48, 283,036.99 and 70,359.59

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Solution

The fourth proportional to 188,697.48, 283,036.99 and 70,359.59 is: 105,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,697.48 : 283,036.99 = 70,359.59 : x
  2. Step 2: Convert to fraction form
    188,697.48/283,036.99 = 70,359.59/x
  3. Step 3: Cross multiply
    188,697.48x = 283,036.99 × 70,359.59
  4. Step 4: Simplify right side
    188,697.48x = 19,914,366,571.23
  5. Step 5: Solve for x
    x = 19,914,366,571.23/188,697.48
  6. Step 6: Final answer
    x = 105,535.94

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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.