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Finding the Fourth Proportional to 96,330.80, 132,942.65 and 53,889.63

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Solution

The fourth proportional to 96,330.80, 132,942.65 and 53,889.63 is: 74,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,330.80 : 132,942.65 = 53,889.63 : x
  2. Step 2: Convert to fraction form
    96,330.80/132,942.65 = 53,889.63/x
  3. Step 3: Cross multiply
    96,330.80x = 132,942.65 × 53,889.63
  4. Step 4: Simplify right side
    96,330.80x = 7,164,229,950.27
  5. Step 5: Solve for x
    x = 7,164,229,950.27/96,330.80
  6. Step 6: Final answer
    x = 74,371.13

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1.5x scale

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.