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Finding the Fourth Proportional to 119,574.72, 165,076.44 and 92,656.80

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Solution

The fourth proportional to 119,574.72, 165,076.44 and 92,656.80 is: 127,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,574.72 : 165,076.44 = 92,656.80 : x
  2. Step 2: Convert to fraction form
    119,574.72/165,076.44 = 92,656.80/x
  3. Step 3: Cross multiply
    119,574.72x = 165,076.44 × 92,656.80
  4. Step 4: Simplify right side
    119,574.72x = 15,295,454,685.79
  5. Step 5: Solve for x
    x = 15,295,454,685.79/119,574.72
  6. Step 6: Final answer
    x = 127,915.45

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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.