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Finding the Fourth Proportional to 100,676.63, 150,920.63 and 34,070.13

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Solution

The fourth proportional to 100,676.63, 150,920.63 and 34,070.13 is: 51,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,676.63 : 150,920.63 = 34,070.13 : x
  2. Step 2: Convert to fraction form
    100,676.63/150,920.63 = 34,070.13/x
  3. Step 3: Cross multiply
    100,676.63x = 150,920.63 × 34,070.13
  4. Step 4: Simplify right side
    100,676.63x = 5,141,885,632.84
  5. Step 5: Solve for x
    x = 5,141,885,632.84/100,676.63
  6. Step 6: Final answer
    x = 51,073.28

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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.