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Finding the Fourth Proportional to 108,800.58, 162,883.98 and 80,844.60

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Solution

The fourth proportional to 108,800.58, 162,883.98 and 80,844.60 is: 121,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,800.58 : 162,883.98 = 80,844.60 : x
  2. Step 2: Convert to fraction form
    108,800.58/162,883.98 = 80,844.60/x
  3. Step 3: Cross multiply
    108,800.58x = 162,883.98 × 80,844.60
  4. Step 4: Simplify right side
    108,800.58x = 13,168,290,209.51
  5. Step 5: Solve for x
    x = 13,168,290,209.51/108,800.58
  6. Step 6: Final answer
    x = 121,031.43

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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.