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Finding the Fourth Proportional to 133,591.88, 184,358.01 and 91,149.50

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Solution

The fourth proportional to 133,591.88, 184,358.01 and 91,149.50 is: 125,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,591.88 : 184,358.01 = 91,149.50 : x
  2. Step 2: Convert to fraction form
    133,591.88/184,358.01 = 91,149.50/x
  3. Step 3: Cross multiply
    133,591.88x = 184,358.01 × 91,149.50
  4. Step 4: Simplify right side
    133,591.88x = 16,804,139,510.71
  5. Step 5: Solve for x
    x = 16,804,139,510.71/133,591.88
  6. Step 6: Final answer
    x = 125,787.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.