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Finding the Fourth Proportional to 230,367.40, 345,528.42 and 80,580.04

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Solution

The fourth proportional to 230,367.40, 345,528.42 and 80,580.04 is: 120,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,367.40 : 345,528.42 = 80,580.04 : x
  2. Step 2: Convert to fraction form
    230,367.40/345,528.42 = 80,580.04/x
  3. Step 3: Cross multiply
    230,367.40x = 345,528.42 × 80,580.04
  4. Step 4: Simplify right side
    230,367.40x = 27,842,693,904.74
  5. Step 5: Solve for x
    x = 27,842,693,904.74/230,367.40
  6. Step 6: Final answer
    x = 120,862.13

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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.