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Finding the Fourth Proportional to 103,792.53, 155,710.67 and 33,666.38

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Solution

The fourth proportional to 103,792.53, 155,710.67 and 33,666.38 is: 50,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,792.53 : 155,710.67 = 33,666.38 : x
  2. Step 2: Convert to fraction form
    103,792.53/155,710.67 = 33,666.38/x
  3. Step 3: Cross multiply
    103,792.53x = 155,710.67 × 33,666.38
  4. Step 4: Simplify right side
    103,792.53x = 5,242,213,639.39
  5. Step 5: Solve for x
    x = 5,242,213,639.39/103,792.53
  6. Step 6: Final answer
    x = 50,506.66

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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.