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Finding the Fourth Proportional to 110,174.95, 151,998.51 and 81,563.10

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Solution

The fourth proportional to 110,174.95, 151,998.51 and 81,563.10 is: 112,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,174.95 : 151,998.51 = 81,563.10 : x
  2. Step 2: Convert to fraction form
    110,174.95/151,998.51 = 81,563.10/x
  3. Step 3: Cross multiply
    110,174.95x = 151,998.51 × 81,563.10
  4. Step 4: Simplify right side
    110,174.95x = 12,397,469,038.64
  5. Step 5: Solve for x
    x = 12,397,469,038.64/110,174.95
  6. Step 6: Final answer
    x = 112,525.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.