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Finding the Fourth Proportional to 200,483.92, 276,619.08 and 111,059.92

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Solution

The fourth proportional to 200,483.92, 276,619.08 and 111,059.92 is: 153,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,483.92 : 276,619.08 = 111,059.92 : x
  2. Step 2: Convert to fraction form
    200,483.92/276,619.08 = 111,059.92/x
  3. Step 3: Cross multiply
    200,483.92x = 276,619.08 × 111,059.92
  4. Step 4: Simplify right side
    200,483.92x = 30,721,292,895.27
  5. Step 5: Solve for x
    x = 30,721,292,895.27/200,483.92
  6. Step 6: Final answer
    x = 153,235.70

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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.