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Finding the Fourth Proportional to 133,469.16, 184,309.92 and 85,805.52

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Solution

The fourth proportional to 133,469.16, 184,309.92 and 85,805.52 is: 118,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,469.16 : 184,309.92 = 85,805.52 : x
  2. Step 2: Convert to fraction form
    133,469.16/184,309.92 = 85,805.52/x
  3. Step 3: Cross multiply
    133,469.16x = 184,309.92 × 85,805.52
  4. Step 4: Simplify right side
    133,469.16x = 15,814,808,526.76
  5. Step 5: Solve for x
    x = 15,814,808,526.76/133,469.16
  6. Step 6: Final answer
    x = 118,490.36

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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.