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Finding the Fourth Proportional to 183,141.91, 274,806.63 and 87,187.72

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Solution

The fourth proportional to 183,141.91, 274,806.63 and 87,187.72 is: 130,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,141.91 : 274,806.63 = 87,187.72 : x
  2. Step 2: Convert to fraction form
    183,141.91/274,806.63 = 87,187.72/x
  3. Step 3: Cross multiply
    183,141.91x = 274,806.63 × 87,187.72
  4. Step 4: Simplify right side
    183,141.91x = 23,959,763,510.58
  5. Step 5: Solve for x
    x = 23,959,763,510.58/183,141.91
  6. Step 6: Final answer
    x = 130,826.22

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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.