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Finding the Fourth Proportional to 132,383.79, 182,688.77 and 75,806.10

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Solution

The fourth proportional to 132,383.79, 182,688.77 and 75,806.10 is: 104,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,383.79 : 182,688.77 = 75,806.10 : x
  2. Step 2: Convert to fraction form
    132,383.79/182,688.77 = 75,806.10/x
  3. Step 3: Cross multiply
    132,383.79x = 182,688.77 × 75,806.10
  4. Step 4: Simplify right side
    132,383.79x = 13,848,921,875.02
  5. Step 5: Solve for x
    x = 13,848,921,875.02/132,383.79
  6. Step 6: Final answer
    x = 104,611.92

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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.