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Finding the Fourth Proportional to 194,725.76, 292,179.52 and 191,580.80

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Solution

The fourth proportional to 194,725.76, 292,179.52 and 191,580.80 is: 287,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,725.76 : 292,179.52 = 191,580.80 : x
  2. Step 2: Convert to fraction form
    194,725.76/292,179.52 = 191,580.80/x
  3. Step 3: Cross multiply
    194,725.76x = 292,179.52 × 191,580.80
  4. Step 4: Simplify right side
    194,725.76x = 55,975,986,185.22
  5. Step 5: Solve for x
    x = 55,975,986,185.22/194,725.76
  6. Step 6: Final answer
    x = 287,460.61

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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.