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Finding the Fourth Proportional to 132,583.94, 183,028.39 and 84,864.95

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Solution

The fourth proportional to 132,583.94, 183,028.39 and 84,864.95 is: 117,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,583.94 : 183,028.39 = 84,864.95 : x
  2. Step 2: Convert to fraction form
    132,583.94/183,028.39 = 84,864.95/x
  3. Step 3: Cross multiply
    132,583.94x = 183,028.39 × 84,864.95
  4. Step 4: Simplify right side
    132,583.94x = 15,532,695,165.93
  5. Step 5: Solve for x
    x = 15,532,695,165.93/132,583.94
  6. Step 6: Final answer
    x = 117,153.67

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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.