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Finding the Fourth Proportional to 103,716, 155,624.80 and 37,161.26

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Solution

The fourth proportional to 103,716, 155,624.80 and 37,161.26 is: 55,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,716 : 155,624.80 = 37,161.26 : x
  2. Step 2: Convert to fraction form
    103,716/155,624.80 = 37,161.26/x
  3. Step 3: Cross multiply
    103,716x = 155,624.80 × 37,161.26
  4. Step 4: Simplify right side
    103,716x = 5,783,213,655.25
  5. Step 5: Solve for x
    x = 5,783,213,655.25/103,716
  6. Step 6: Final answer
    x = 55,760.09

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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.