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Finding the Fourth Proportional to 132,500.88, 182,851.21 and 75,945.06

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Solution

The fourth proportional to 132,500.88, 182,851.21 and 75,945.06 is: 104,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,500.88 : 182,851.21 = 75,945.06 : x
  2. Step 2: Convert to fraction form
    132,500.88/182,851.21 = 75,945.06/x
  3. Step 3: Cross multiply
    132,500.88x = 182,851.21 × 75,945.06
  4. Step 4: Simplify right side
    132,500.88x = 13,886,646,114.52
  5. Step 5: Solve for x
    x = 13,886,646,114.52/132,500.88
  6. Step 6: Final answer
    x = 104,804.18

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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.