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Finding the Fourth Proportional to 239,260.79, 358,892.54 and 61,755.66

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Solution

The fourth proportional to 239,260.79, 358,892.54 and 61,755.66 is: 92,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,260.79 : 358,892.54 = 61,755.66 : x
  2. Step 2: Convert to fraction form
    239,260.79/358,892.54 = 61,755.66/x
  3. Step 3: Cross multiply
    239,260.79x = 358,892.54 × 61,755.66
  4. Step 4: Simplify right side
    239,260.79x = 22,163,645,676.78
  5. Step 5: Solve for x
    x = 22,163,645,676.78/239,260.79
  6. Step 6: Final answer
    x = 92,633.84

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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.