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Finding the Fourth Proportional to 132,930.73, 183,482.36 and 75,600.96

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Solution

The fourth proportional to 132,930.73, 183,482.36 and 75,600.96 is: 104,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,930.73 : 183,482.36 = 75,600.96 : x
  2. Step 2: Convert to fraction form
    132,930.73/183,482.36 = 75,600.96/x
  3. Step 3: Cross multiply
    132,930.73x = 183,482.36 × 75,600.96
  4. Step 4: Simplify right side
    132,930.73x = 13,871,442,559.07
  5. Step 5: Solve for x
    x = 13,871,442,559.07/132,930.73
  6. Step 6: Final answer
    x = 104,350.91

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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.