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Finding the Fourth Proportional to 188,392.68, 282,628.08 and 55,277.28

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Solution

The fourth proportional to 188,392.68, 282,628.08 and 55,277.28 is: 82,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,392.68 : 282,628.08 = 55,277.28 : x
  2. Step 2: Convert to fraction form
    188,392.68/282,628.08 = 55,277.28/x
  3. Step 3: Cross multiply
    188,392.68x = 282,628.08 × 55,277.28
  4. Step 4: Simplify right side
    188,392.68x = 15,622,911,514.02
  5. Step 5: Solve for x
    x = 15,622,911,514.02/188,392.68
  6. Step 6: Final answer
    x = 82,927.38

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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.