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Finding the Fourth Proportional to 108,063, 161,982.12 and 44,917.50

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Solution

The fourth proportional to 108,063, 161,982.12 and 44,917.50 is: 67,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,063 : 161,982.12 = 44,917.50 : x
  2. Step 2: Convert to fraction form
    108,063/161,982.12 = 44,917.50/x
  3. Step 3: Cross multiply
    108,063x = 161,982.12 × 44,917.50
  4. Step 4: Simplify right side
    108,063x = 7,275,831,875.10
  5. Step 5: Solve for x
    x = 7,275,831,875.10/108,063
  6. Step 6: Final answer
    x = 67,329.54

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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.