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Finding the Fourth Proportional to 367,674.70, 551,543.82 and 101,435.21

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Solution

The fourth proportional to 367,674.70, 551,543.82 and 101,435.21 is: 152,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,674.70 : 551,543.82 = 101,435.21 : x
  2. Step 2: Convert to fraction form
    367,674.70/551,543.82 = 101,435.21/x
  3. Step 3: Cross multiply
    367,674.70x = 551,543.82 × 101,435.21
  4. Step 4: Simplify right side
    367,674.70x = 55,945,963,794.29
  5. Step 5: Solve for x
    x = 55,945,963,794.29/367,674.70
  6. Step 6: Final answer
    x = 152,161.58

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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.