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Finding the Fourth Proportional to 108,271.72, 162,415.80 and 29,392.10

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Solution

The fourth proportional to 108,271.72, 162,415.80 and 29,392.10 is: 44,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,271.72 : 162,415.80 = 29,392.10 : x
  2. Step 2: Convert to fraction form
    108,271.72/162,415.80 = 29,392.10/x
  3. Step 3: Cross multiply
    108,271.72x = 162,415.80 × 29,392.10
  4. Step 4: Simplify right side
    108,271.72x = 4,773,741,232.16
  5. Step 5: Solve for x
    x = 4,773,741,232.16/108,271.72
  6. Step 6: Final answer
    x = 44,090.38

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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.