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Finding the Fourth Proportional to 108,449.84, 162,649.56 and 29,548.28

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Solution

The fourth proportional to 108,449.84, 162,649.56 and 29,548.28 is: 44,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,449.84 : 162,649.56 = 29,548.28 : x
  2. Step 2: Convert to fraction form
    108,449.84/162,649.56 = 29,548.28/x
  3. Step 3: Cross multiply
    108,449.84x = 162,649.56 × 29,548.28
  4. Step 4: Simplify right side
    108,449.84x = 4,806,014,740.76
  5. Step 5: Solve for x
    x = 4,806,014,740.76/108,449.84
  6. Step 6: Final answer
    x = 44,315.55

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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.