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Finding the Fourth Proportional to 347,684.87, 521,443.02 and 94,966.54

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Solution

The fourth proportional to 347,684.87, 521,443.02 and 94,966.54 is: 142,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,684.87 : 521,443.02 = 94,966.54 : x
  2. Step 2: Convert to fraction form
    347,684.87/521,443.02 = 94,966.54/x
  3. Step 3: Cross multiply
    347,684.87x = 521,443.02 × 94,966.54
  4. Step 4: Simplify right side
    347,684.87x = 49,519,640,868.00
  5. Step 5: Solve for x
    x = 49,519,640,868.00/347,684.87
  6. Step 6: Final answer
    x = 142,426.79

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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.