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Finding the Fourth Proportional to 188,689.76, 282,932.16 and 93,711.56

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Solution

The fourth proportional to 188,689.76, 282,932.16 and 93,711.56 is: 140,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,689.76 : 282,932.16 = 93,711.56 : x
  2. Step 2: Convert to fraction form
    188,689.76/282,932.16 = 93,711.56/x
  3. Step 3: Cross multiply
    188,689.76x = 282,932.16 × 93,711.56
  4. Step 4: Simplify right side
    188,689.76x = 26,514,014,087.77
  5. Step 5: Solve for x
    x = 26,514,014,087.77/188,689.76
  6. Step 6: Final answer
    x = 140,516.44

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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.