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Finding the Fourth Proportional to 347,686.88, 521,446.02 and 94,968.54

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Solution

The fourth proportional to 347,686.88, 521,446.02 and 94,968.54 is: 142,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,686.88 : 521,446.02 = 94,968.54 : x
  2. Step 2: Convert to fraction form
    347,686.88/521,446.02 = 94,968.54/x
  3. Step 3: Cross multiply
    347,686.88x = 521,446.02 × 94,968.54
  4. Step 4: Simplify right side
    347,686.88x = 49,520,967,208.21
  5. Step 5: Solve for x
    x = 49,520,967,208.21/347,686.88
  6. Step 6: Final answer
    x = 142,429.78

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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.