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Finding the Fourth Proportional to 230,801.40, 346,266.90 and 112,476.60

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Solution

The fourth proportional to 230,801.40, 346,266.90 and 112,476.60 is: 168,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,801.40 : 346,266.90 = 112,476.60 : x
  2. Step 2: Convert to fraction form
    230,801.40/346,266.90 = 112,476.60/x
  3. Step 3: Cross multiply
    230,801.40x = 346,266.90 × 112,476.60
  4. Step 4: Simplify right side
    230,801.40x = 38,946,923,604.54
  5. Step 5: Solve for x
    x = 38,946,923,604.54/230,801.40
  6. Step 6: Final answer
    x = 168,746.48

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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.