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Finding the Fourth Proportional to 103,472.46, 155,237.34 and 41,186.70

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Solution

The fourth proportional to 103,472.46, 155,237.34 and 41,186.70 is: 61,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,472.46 : 155,237.34 = 41,186.70 : x
  2. Step 2: Convert to fraction form
    103,472.46/155,237.34 = 41,186.70/x
  3. Step 3: Cross multiply
    103,472.46x = 155,237.34 × 41,186.70
  4. Step 4: Simplify right side
    103,472.46x = 6,393,713,751.38
  5. Step 5: Solve for x
    x = 6,393,713,751.38/103,472.46
  6. Step 6: Final answer
    x = 61,791.45

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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.