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Finding the Fourth Proportional to 103,699.62, 155,516.55 and 33,562.50

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Solution

The fourth proportional to 103,699.62, 155,516.55 and 33,562.50 is: 50,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,699.62 : 155,516.55 = 33,562.50 : x
  2. Step 2: Convert to fraction form
    103,699.62/155,516.55 = 33,562.50/x
  3. Step 3: Cross multiply
    103,699.62x = 155,516.55 × 33,562.50
  4. Step 4: Simplify right side
    103,699.62x = 5,219,524,209.38
  5. Step 5: Solve for x
    x = 5,219,524,209.38/103,699.62
  6. Step 6: Final answer
    x = 50,333.11

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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.