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Finding the Fourth Proportional to 286,007.00, 428,842.26 and 108,526.49

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Solution

The fourth proportional to 286,007.00, 428,842.26 and 108,526.49 is: 162,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,007.00 : 428,842.26 = 108,526.49 : x
  2. Step 2: Convert to fraction form
    286,007.00/428,842.26 = 108,526.49/x
  3. Step 3: Cross multiply
    286,007.00x = 428,842.26 × 108,526.49
  4. Step 4: Simplify right side
    286,007.00x = 46,540,743,097.26
  5. Step 5: Solve for x
    x = 46,540,743,097.26/286,007.00
  6. Step 6: Final answer
    x = 162,725.89

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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.