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Finding the Fourth Proportional to 133,338.59, 184,043.54 and 76,008.11

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Solution

The fourth proportional to 133,338.59, 184,043.54 and 76,008.11 is: 104,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338.59 : 184,043.54 = 76,008.11 : x
  2. Step 2: Convert to fraction form
    133,338.59/184,043.54 = 76,008.11/x
  3. Step 3: Cross multiply
    133,338.59x = 184,043.54 × 76,008.11
  4. Step 4: Simplify right side
    133,338.59x = 13,988,800,902.91
  5. Step 5: Solve for x
    x = 13,988,800,902.91/133,338.59
  6. Step 6: Final answer
    x = 104,911.87

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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.