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Finding the Fourth Proportional to 365,112.05, 547,730.36 and 162,781.58

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Solution

The fourth proportional to 365,112.05, 547,730.36 and 162,781.58 is: 244,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,112.05 : 547,730.36 = 162,781.58 : x
  2. Step 2: Convert to fraction form
    365,112.05/547,730.36 = 162,781.58/x
  3. Step 3: Cross multiply
    365,112.05x = 547,730.36 × 162,781.58
  4. Step 4: Simplify right side
    365,112.05x = 89,160,409,862.21
  5. Step 5: Solve for x
    x = 89,160,409,862.21/365,112.05
  6. Step 6: Final answer
    x = 244,200.13

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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.