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Finding the Fourth Proportional to 375,940.84, 563,724.62 and 119,740

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Solution

The fourth proportional to 375,940.84, 563,724.62 and 119,740 is: 179,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,940.84 : 563,724.62 = 119,740 : x
  2. Step 2: Convert to fraction form
    375,940.84/563,724.62 = 119,740/x
  3. Step 3: Cross multiply
    375,940.84x = 563,724.62 × 119,740
  4. Step 4: Simplify right side
    375,940.84x = 67,500,385,998.80
  5. Step 5: Solve for x
    x = 67,500,385,998.80/375,940.84
  6. Step 6: Final answer
    x = 179,550.55

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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.