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Finding the Fourth Proportional to 133,174.80, 183,609.72 and 94,977.90

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Solution

The fourth proportional to 133,174.80, 183,609.72 and 94,977.90 is: 130,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,174.80 : 183,609.72 = 94,977.90 : x
  2. Step 2: Convert to fraction form
    133,174.80/183,609.72 = 94,977.90/x
  3. Step 3: Cross multiply
    133,174.80x = 183,609.72 × 94,977.90
  4. Step 4: Simplify right side
    133,174.80x = 17,438,865,625.19
  5. Step 5: Solve for x
    x = 17,438,865,625.19/133,174.80
  6. Step 6: Final answer
    x = 130,947.19

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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.