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Finding the Fourth Proportional to 129,383.60, 194,009.80 and 59,202.77

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Solution

The fourth proportional to 129,383.60, 194,009.80 and 59,202.77 is: 88,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,383.60 : 194,009.80 = 59,202.77 : x
  2. Step 2: Convert to fraction form
    129,383.60/194,009.80 = 59,202.77/x
  3. Step 3: Cross multiply
    129,383.60x = 194,009.80 × 59,202.77
  4. Step 4: Simplify right side
    129,383.60x = 11,485,917,947.29
  5. Step 5: Solve for x
    x = 11,485,917,947.29/129,383.60
  6. Step 6: Final answer
    x = 88,774.14

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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.