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Finding the Fourth Proportional to 168,949.84, 253,384.84 and 56,634.16

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Solution

The fourth proportional to 168,949.84, 253,384.84 and 56,634.16 is: 84,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,949.84 : 253,384.84 = 56,634.16 : x
  2. Step 2: Convert to fraction form
    168,949.84/253,384.84 = 56,634.16/x
  3. Step 3: Cross multiply
    168,949.84x = 253,384.84 × 56,634.16
  4. Step 4: Simplify right side
    168,949.84x = 14,350,237,570.13
  5. Step 5: Solve for x
    x = 14,350,237,570.13/168,949.84
  6. Step 6: Final answer
    x = 84,937.86

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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.