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Finding the Fourth Proportional to 134,483.70, 201,725.55 and 92,493.30

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Solution

The fourth proportional to 134,483.70, 201,725.55 and 92,493.30 is: 138,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,483.70 : 201,725.55 = 92,493.30 : x
  2. Step 2: Convert to fraction form
    134,483.70/201,725.55 = 92,493.30/x
  3. Step 3: Cross multiply
    134,483.70x = 201,725.55 × 92,493.30
  4. Step 4: Simplify right side
    134,483.70x = 18,658,261,813.82
  5. Step 5: Solve for x
    x = 18,658,261,813.82/134,483.70
  6. Step 6: Final answer
    x = 138,739.95

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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.