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Finding the Fourth Proportional to 264,866.73, 397,348.97 and 87,386.01

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Solution

The fourth proportional to 264,866.73, 397,348.97 and 87,386.01 is: 131,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,866.73 : 397,348.97 = 87,386.01 : x
  2. Step 2: Convert to fraction form
    264,866.73/397,348.97 = 87,386.01/x
  3. Step 3: Cross multiply
    264,866.73x = 397,348.97 × 87,386.01
  4. Step 4: Simplify right side
    264,866.73x = 34,722,740,628.98
  5. Step 5: Solve for x
    x = 34,722,740,628.98/264,866.73
  6. Step 6: Final answer
    x = 131,095.14

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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.