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Finding the Fourth Proportional to 149,990.94, 224,577.90 and 105,551.10

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Solution

The fourth proportional to 149,990.94, 224,577.90 and 105,551.10 is: 158,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,990.94 : 224,577.90 = 105,551.10 : x
  2. Step 2: Convert to fraction form
    149,990.94/224,577.90 = 105,551.10/x
  3. Step 3: Cross multiply
    149,990.94x = 224,577.90 × 105,551.10
  4. Step 4: Simplify right side
    149,990.94x = 23,704,444,380.69
  5. Step 5: Solve for x
    x = 23,704,444,380.69/149,990.94
  6. Step 6: Final answer
    x = 158,039.17

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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.