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Finding the Fourth Proportional to 230,017, 345,069.08 and 80,300.04

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Solution

The fourth proportional to 230,017, 345,069.08 and 80,300.04 is: 120,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,017 : 345,069.08 = 80,300.04 : x
  2. Step 2: Convert to fraction form
    230,017/345,069.08 = 80,300.04/x
  3. Step 3: Cross multiply
    230,017x = 345,069.08 × 80,300.04
  4. Step 4: Simplify right side
    230,017x = 27,709,060,926.76
  5. Step 5: Solve for x
    x = 27,709,060,926.76/230,017
  6. Step 6: Final answer
    x = 120,465.27

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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.