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Finding the Fourth Proportional to 283,976.43, 391,888.82 and 156,652.02

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Solution

The fourth proportional to 283,976.43, 391,888.82 and 156,652.02 is: 216,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,976.43 : 391,888.82 = 156,652.02 : x
  2. Step 2: Convert to fraction form
    283,976.43/391,888.82 = 156,652.02/x
  3. Step 3: Cross multiply
    283,976.43x = 391,888.82 × 156,652.02
  4. Step 4: Simplify right side
    283,976.43x = 61,390,174,485.16
  5. Step 5: Solve for x
    x = 61,390,174,485.16/283,976.43
  6. Step 6: Final answer
    x = 216,180.53

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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.