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Finding the Fourth Proportional to 108,592.47, 162,870.48 and 29,692.80

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Solution

The fourth proportional to 108,592.47, 162,870.48 and 29,692.80 is: 44,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,592.47 : 162,870.48 = 29,692.80 : x
  2. Step 2: Convert to fraction form
    108,592.47/162,870.48 = 29,692.80/x
  3. Step 3: Cross multiply
    108,592.47x = 162,870.48 × 29,692.80
  4. Step 4: Simplify right side
    108,592.47x = 4,836,080,588.54
  5. Step 5: Solve for x
    x = 4,836,080,588.54/108,592.47
  6. Step 6: Final answer
    x = 44,534.22

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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.