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Finding the Fourth Proportional to 108,051.60, 162,077.40 and 29,173.80

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Solution

The fourth proportional to 108,051.60, 162,077.40 and 29,173.80 is: 43,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,051.60 : 162,077.40 = 29,173.80 : x
  2. Step 2: Convert to fraction form
    108,051.60/162,077.40 = 29,173.80/x
  3. Step 3: Cross multiply
    108,051.60x = 162,077.40 × 29,173.80
  4. Step 4: Simplify right side
    108,051.60x = 4,728,413,652.12
  5. Step 5: Solve for x
    x = 4,728,413,652.12/108,051.60
  6. Step 6: Final answer
    x = 43,760.70

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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.