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Finding the Fourth Proportional to 116,057.80, 174,086.70 and 109,059.40

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Solution

The fourth proportional to 116,057.80, 174,086.70 and 109,059.40 is: 163,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,057.80 : 174,086.70 = 109,059.40 : x
  2. Step 2: Convert to fraction form
    116,057.80/174,086.70 = 109,059.40/x
  3. Step 3: Cross multiply
    116,057.80x = 174,086.70 × 109,059.40
  4. Step 4: Simplify right side
    116,057.80x = 18,985,791,049.98
  5. Step 5: Solve for x
    x = 18,985,791,049.98/116,057.80
  6. Step 6: Final answer
    x = 163,589.10

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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.