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Finding the Fourth Proportional to 199,615.68, 275,465.52 and 108,973.44

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Solution

The fourth proportional to 199,615.68, 275,465.52 and 108,973.44 is: 150,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,615.68 : 275,465.52 = 108,973.44 : x
  2. Step 2: Convert to fraction form
    199,615.68/275,465.52 = 108,973.44/x
  3. Step 3: Cross multiply
    199,615.68x = 275,465.52 × 108,973.44
  4. Step 4: Simplify right side
    199,615.68x = 30,018,425,315.79
  5. Step 5: Solve for x
    x = 30,018,425,315.79/199,615.68
  6. Step 6: Final answer
    x = 150,381.10

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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.