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Finding the Fourth Proportional to 133,483.90, 184,189.56 and 79,757.56

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Solution

The fourth proportional to 133,483.90, 184,189.56 and 79,757.56 is: 110,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,483.90 : 184,189.56 = 79,757.56 : x
  2. Step 2: Convert to fraction form
    133,483.90/184,189.56 = 79,757.56/x
  3. Step 3: Cross multiply
    133,483.90x = 184,189.56 × 79,757.56
  4. Step 4: Simplify right side
    133,483.90x = 14,690,509,883.07
  5. Step 5: Solve for x
    x = 14,690,509,883.07/133,483.90
  6. Step 6: Final answer
    x = 110,054.55

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1.5x scale

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.