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Finding the Fourth Proportional to 108,077.60, 162,140.70 and 33,201.20

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Solution

The fourth proportional to 108,077.60, 162,140.70 and 33,201.20 is: 49,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,077.60 : 162,140.70 = 33,201.20 : x
  2. Step 2: Convert to fraction form
    108,077.60/162,140.70 = 33,201.20/x
  3. Step 3: Cross multiply
    108,077.60x = 162,140.70 × 33,201.20
  4. Step 4: Simplify right side
    108,077.60x = 5,383,265,808.84
  5. Step 5: Solve for x
    x = 5,383,265,808.84/108,077.60
  6. Step 6: Final answer
    x = 49,809.26

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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.