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Finding the Fourth Proportional to 168,700.84, 253,042.60 and 50,373.16

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Solution

The fourth proportional to 168,700.84, 253,042.60 and 50,373.16 is: 75,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,700.84 : 253,042.60 = 50,373.16 : x
  2. Step 2: Convert to fraction form
    168,700.84/253,042.60 = 50,373.16/x
  3. Step 3: Cross multiply
    168,700.84x = 253,042.60 × 50,373.16
  4. Step 4: Simplify right side
    168,700.84x = 12,746,555,376.62
  5. Step 5: Solve for x
    x = 12,746,555,376.62/168,700.84
  6. Step 6: Final answer
    x = 75,557.15

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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.