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Finding the Fourth Proportional to 132,695.52, 183,119.80 and 73,079.52

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Solution

The fourth proportional to 132,695.52, 183,119.80 and 73,079.52 is: 100,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,695.52 : 183,119.80 = 73,079.52 : x
  2. Step 2: Convert to fraction form
    132,695.52/183,119.80 = 73,079.52/x
  3. Step 3: Cross multiply
    132,695.52x = 183,119.80 × 73,079.52
  4. Step 4: Simplify right side
    132,695.52x = 13,382,307,086.50
  5. Step 5: Solve for x
    x = 13,382,307,086.50/132,695.52
  6. Step 6: Final answer
    x = 100,849.73

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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.