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Finding the Fourth Proportional to 103,491, 155,273.96 and 50,937.39

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Solution

The fourth proportional to 103,491, 155,273.96 and 50,937.39 is: 76,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,491 : 155,273.96 = 50,937.39 : x
  2. Step 2: Convert to fraction form
    103,491/155,273.96 = 50,937.39/x
  3. Step 3: Cross multiply
    103,491x = 155,273.96 × 50,937.39
  4. Step 4: Simplify right side
    103,491x = 7,909,250,384.71
  5. Step 5: Solve for x
    x = 7,909,250,384.71/103,491
  6. Step 6: Final answer
    x = 76,424.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.