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Finding the Fourth Proportional to 202,973.07, 304,240.91 and 84,568.89

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Solution

The fourth proportional to 202,973.07, 304,240.91 and 84,568.89 is: 126,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,973.07 : 304,240.91 = 84,568.89 : x
  2. Step 2: Convert to fraction form
    202,973.07/304,240.91 = 84,568.89/x
  3. Step 3: Cross multiply
    202,973.07x = 304,240.91 × 84,568.89
  4. Step 4: Simplify right side
    202,973.07x = 25,729,315,628.45
  5. Step 5: Solve for x
    x = 25,729,315,628.45/202,973.07
  6. Step 6: Final answer
    x = 126,762.21

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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.