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Finding the Fourth Proportional to 139,872.04, 192,962.04 and 94,533.52

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Solution

The fourth proportional to 139,872.04, 192,962.04 and 94,533.52 is: 130,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,872.04 : 192,962.04 = 94,533.52 : x
  2. Step 2: Convert to fraction form
    139,872.04/192,962.04 = 94,533.52/x
  3. Step 3: Cross multiply
    139,872.04x = 192,962.04 × 94,533.52
  4. Step 4: Simplify right side
    139,872.04x = 18,241,380,867.58
  5. Step 5: Solve for x
    x = 18,241,380,867.58/139,872.04
  6. Step 6: Final answer
    x = 130,414.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.