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Finding the Fourth Proportional to 133,847.39, 184,709.42 and 77,258.76

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Solution

The fourth proportional to 133,847.39, 184,709.42 and 77,258.76 is: 106,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,847.39 : 184,709.42 = 77,258.76 : x
  2. Step 2: Convert to fraction form
    133,847.39/184,709.42 = 77,258.76/x
  3. Step 3: Cross multiply
    133,847.39x = 184,709.42 × 77,258.76
  4. Step 4: Simplify right side
    133,847.39x = 14,270,420,363.23
  5. Step 5: Solve for x
    x = 14,270,420,363.23/133,847.39
  6. Step 6: Final answer
    x = 106,617.10

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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.