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Finding the Fourth Proportional to 132,166.62, 198,288.81 and 53,240.22

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Solution

The fourth proportional to 132,166.62, 198,288.81 and 53,240.22 is: 79,875.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,166.62 : 198,288.81 = 53,240.22 : x
  2. Step 2: Convert to fraction form
    132,166.62/198,288.81 = 53,240.22/x
  3. Step 3: Cross multiply
    132,166.62x = 198,288.81 × 53,240.22
  4. Step 4: Simplify right side
    132,166.62x = 10,556,939,867.94
  5. Step 5: Solve for x
    x = 10,556,939,867.94/132,166.62
  6. Step 6: Final answer
    x = 79,875.99

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1.5x scale

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.