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Finding the Fourth Proportional to 365,466.70, 548,237.65 and 137,953.96

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Solution

The fourth proportional to 365,466.70, 548,237.65 and 137,953.96 is: 206,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,466.70 : 548,237.65 = 137,953.96 : x
  2. Step 2: Convert to fraction form
    365,466.70/548,237.65 = 137,953.96/x
  3. Step 3: Cross multiply
    365,466.70x = 548,237.65 × 137,953.96
  4. Step 4: Simplify right side
    365,466.70x = 75,631,554,838.59
  5. Step 5: Solve for x
    x = 75,631,554,838.59/365,466.70
  6. Step 6: Final answer
    x = 206,945.13

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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.