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Finding the Fourth Proportional to 270,507.33, 405,797.88 and 112,698.88

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Solution

The fourth proportional to 270,507.33, 405,797.88 and 112,698.88 is: 169,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,507.33 : 405,797.88 = 112,698.88 : x
  2. Step 2: Convert to fraction form
    270,507.33/405,797.88 = 112,698.88/x
  3. Step 3: Cross multiply
    270,507.33x = 405,797.88 × 112,698.88
  4. Step 4: Simplify right side
    270,507.33x = 45,732,966,582.37
  5. Step 5: Solve for x
    x = 45,732,966,582.37/270,507.33
  6. Step 6: Final answer
    x = 169,063.69

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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.