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Finding the Fourth Proportional to 108,796.68, 163,106.46 and 42,202.44

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Solution

The fourth proportional to 108,796.68, 163,106.46 and 42,202.44 is: 63,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,796.68 : 163,106.46 = 42,202.44 : x
  2. Step 2: Convert to fraction form
    108,796.68/163,106.46 = 42,202.44/x
  3. Step 3: Cross multiply
    108,796.68x = 163,106.46 × 42,202.44
  4. Step 4: Simplify right side
    108,796.68x = 6,883,490,591.76
  5. Step 5: Solve for x
    x = 6,883,490,591.76/108,796.68
  6. Step 6: Final answer
    x = 63,269.31

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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.