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Finding the Fourth Proportional to 141,394, 194,979.06 and 93,629.92

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Solution

The fourth proportional to 141,394, 194,979.06 and 93,629.92 is: 129,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,394 : 194,979.06 = 93,629.92 : x
  2. Step 2: Convert to fraction form
    141,394/194,979.06 = 93,629.92/x
  3. Step 3: Cross multiply
    141,394x = 194,979.06 × 93,629.92
  4. Step 4: Simplify right side
    141,394x = 18,255,873,789.48
  5. Step 5: Solve for x
    x = 18,255,873,789.48/141,394
  6. Step 6: Final answer
    x = 129,113.50

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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.