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Finding the Fourth Proportional to 108,777.96, 163,093.10 and 55,338.60

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Solution

The fourth proportional to 108,777.96, 163,093.10 and 55,338.60 is: 82,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,777.96 : 163,093.10 = 55,338.60 : x
  2. Step 2: Convert to fraction form
    108,777.96/163,093.10 = 55,338.60/x
  3. Step 3: Cross multiply
    108,777.96x = 163,093.10 × 55,338.60
  4. Step 4: Simplify right side
    108,777.96x = 9,025,343,823.66
  5. Step 5: Solve for x
    x = 9,025,343,823.66/108,777.96
  6. Step 6: Final answer
    x = 82,970.34

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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.