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Finding the Fourth Proportional to 122,707.40, 184,061.10 and 43,824.20

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Solution

The fourth proportional to 122,707.40, 184,061.10 and 43,824.20 is: 65,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,707.40 : 184,061.10 = 43,824.20 : x
  2. Step 2: Convert to fraction form
    122,707.40/184,061.10 = 43,824.20/x
  3. Step 3: Cross multiply
    122,707.40x = 184,061.10 × 43,824.20
  4. Step 4: Simplify right side
    122,707.40x = 8,066,330,458.62
  5. Step 5: Solve for x
    x = 8,066,330,458.62/122,707.40
  6. Step 6: Final answer
    x = 65,736.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.