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Finding the Fourth Proportional to 132,513.84, 182,873.87 and 75,936.15

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Solution

The fourth proportional to 132,513.84, 182,873.87 and 75,936.15 is: 104,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,513.84 : 182,873.87 = 75,936.15 : x
  2. Step 2: Convert to fraction form
    132,513.84/182,873.87 = 75,936.15/x
  3. Step 3: Cross multiply
    132,513.84x = 182,873.87 × 75,936.15
  4. Step 4: Simplify right side
    132,513.84x = 13,886,737,528.48
  5. Step 5: Solve for x
    x = 13,886,737,528.48/132,513.84
  6. Step 6: Final answer
    x = 104,794.62

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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.