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Finding the Fourth Proportional to 188,098.65, 259,576.08 and 107,527.89

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Solution

The fourth proportional to 188,098.65, 259,576.08 and 107,527.89 is: 148,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,098.65 : 259,576.08 = 107,527.89 : x
  2. Step 2: Convert to fraction form
    188,098.65/259,576.08 = 107,527.89/x
  3. Step 3: Cross multiply
    188,098.65x = 259,576.08 × 107,527.89
  4. Step 4: Simplify right side
    188,098.65x = 27,911,668,176.87
  5. Step 5: Solve for x
    x = 27,911,668,176.87/188,098.65
  6. Step 6: Final answer
    x = 148,388.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.