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Finding the Fourth Proportional to 108,996.80, 163,500.60 and 56,508.80

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Solution

The fourth proportional to 108,996.80, 163,500.60 and 56,508.80 is: 84,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,996.80 : 163,500.60 = 56,508.80 : x
  2. Step 2: Convert to fraction form
    108,996.80/163,500.60 = 56,508.80/x
  3. Step 3: Cross multiply
    108,996.80x = 163,500.60 × 56,508.80
  4. Step 4: Simplify right side
    108,996.80x = 9,239,222,705.28
  5. Step 5: Solve for x
    x = 9,239,222,705.28/108,996.80
  6. Step 6: Final answer
    x = 84,766.00

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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.