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Finding the Fourth Proportional to 188,622.43, 282,929.51 and 88,727.24

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Solution

The fourth proportional to 188,622.43, 282,929.51 and 88,727.24 is: 133,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,622.43 : 282,929.51 = 88,727.24 : x
  2. Step 2: Convert to fraction form
    188,622.43/282,929.51 = 88,727.24/x
  3. Step 3: Cross multiply
    188,622.43x = 282,929.51 × 88,727.24
  4. Step 4: Simplify right side
    188,622.43x = 25,103,555,465.99
  5. Step 5: Solve for x
    x = 25,103,555,465.99/188,622.43
  6. Step 6: Final answer
    x = 133,088.92

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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.