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Finding the Fourth Proportional to 285,594.98, 394,126.14 and 156,524.90

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Solution

The fourth proportional to 285,594.98, 394,126.14 and 156,524.90 is: 216,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,594.98 : 394,126.14 = 156,524.90 : x
  2. Step 2: Convert to fraction form
    285,594.98/394,126.14 = 156,524.90/x
  3. Step 3: Cross multiply
    285,594.98x = 394,126.14 × 156,524.90
  4. Step 4: Simplify right side
    285,594.98x = 61,690,554,650.89
  5. Step 5: Solve for x
    x = 61,690,554,650.89/285,594.98
  6. Step 6: Final answer
    x = 216,007.14

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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.