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Finding the Fourth Proportional to 331,354.80, 496,948.80 and 94,698.72

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Solution

The fourth proportional to 331,354.80, 496,948.80 and 94,698.72 is: 142,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,354.80 : 496,948.80 = 94,698.72 : x
  2. Step 2: Convert to fraction form
    331,354.80/496,948.80 = 94,698.72/x
  3. Step 3: Cross multiply
    331,354.80x = 496,948.80 × 94,698.72
  4. Step 4: Simplify right side
    331,354.80x = 47,060,415,265.54
  5. Step 5: Solve for x
    x = 47,060,415,265.54/331,354.80
  6. Step 6: Final answer
    x = 142,024.24

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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.