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Finding the Fourth Proportional to 133,907.70, 184,798.08 and 80,182.02

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Solution

The fourth proportional to 133,907.70, 184,798.08 and 80,182.02 is: 110,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,907.70 : 184,798.08 = 80,182.02 : x
  2. Step 2: Convert to fraction form
    133,907.70/184,798.08 = 80,182.02/x
  3. Step 3: Cross multiply
    133,907.70x = 184,798.08 × 80,182.02
  4. Step 4: Simplify right side
    133,907.70x = 14,817,483,346.52
  5. Step 5: Solve for x
    x = 14,817,483,346.52/133,907.70
  6. Step 6: Final answer
    x = 110,654.45

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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.