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Finding the Fourth Proportional to 250,929.92, 346,198.95 and 160,338.92

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Solution

The fourth proportional to 250,929.92, 346,198.95 and 160,338.92 is: 221,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,929.92 : 346,198.95 = 160,338.92 : x
  2. Step 2: Convert to fraction form
    250,929.92/346,198.95 = 160,338.92/x
  3. Step 3: Cross multiply
    250,929.92x = 346,198.95 × 160,338.92
  4. Step 4: Simplify right side
    250,929.92x = 55,509,164,017.14
  5. Step 5: Solve for x
    x = 55,509,164,017.14/250,929.92
  6. Step 6: Final answer
    x = 221,213.81

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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.