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Finding the Fourth Proportional to 110,817.80, 166,226.70 and 109,068.20

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Solution

The fourth proportional to 110,817.80, 166,226.70 and 109,068.20 is: 163,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,817.80 : 166,226.70 = 109,068.20 : x
  2. Step 2: Convert to fraction form
    110,817.80/166,226.70 = 109,068.20/x
  3. Step 3: Cross multiply
    110,817.80x = 166,226.70 × 109,068.20
  4. Step 4: Simplify right side
    110,817.80x = 18,130,046,960.94
  5. Step 5: Solve for x
    x = 18,130,046,960.94/110,817.80
  6. Step 6: Final answer
    x = 163,602.30

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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.