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Finding the Fourth Proportional to 108,445.80, 162,474.30 and 92,893.80

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Solution

The fourth proportional to 108,445.80, 162,474.30 and 92,893.80 is: 139,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.80 : 162,474.30 = 92,893.80 : x
  2. Step 2: Convert to fraction form
    108,445.80/162,474.30 = 92,893.80/x
  3. Step 3: Cross multiply
    108,445.80x = 162,474.30 × 92,893.80
  4. Step 4: Simplify right side
    108,445.80x = 15,092,855,129.34
  5. Step 5: Solve for x
    x = 15,092,855,129.34/108,445.80
  6. Step 6: Final answer
    x = 139,174.18

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1.5x scale

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.