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Finding the Fourth Proportional to 133,834.76, 184,695.36 and 75,686.84

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Solution

The fourth proportional to 133,834.76, 184,695.36 and 75,686.84 is: 104,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,834.76 : 184,695.36 = 75,686.84 : x
  2. Step 2: Convert to fraction form
    133,834.76/184,695.36 = 75,686.84/x
  3. Step 3: Cross multiply
    133,834.76x = 184,695.36 × 75,686.84
  4. Step 4: Simplify right side
    133,834.76x = 13,979,008,161.06
  5. Step 5: Solve for x
    x = 13,979,008,161.06/133,834.76
  6. Step 6: Final answer
    x = 104,449.76

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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.