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Finding the Fourth Proportional to 165,672.96, 248,483.52 and 54,864.96

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Solution

The fourth proportional to 165,672.96, 248,483.52 and 54,864.96 is: 82,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,672.96 : 248,483.52 = 54,864.96 : x
  2. Step 2: Convert to fraction form
    165,672.96/248,483.52 = 54,864.96/x
  3. Step 3: Cross multiply
    165,672.96x = 248,483.52 × 54,864.96
  4. Step 4: Simplify right side
    165,672.96x = 13,633,038,385.46
  5. Step 5: Solve for x
    x = 13,633,038,385.46/165,672.96
  6. Step 6: Final answer
    x = 82,288.86

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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.