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Finding the Fourth Proportional to 199,776.38, 275,925.44 and 159,076.76

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Solution

The fourth proportional to 199,776.38, 275,925.44 and 159,076.76 is: 219,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,776.38 : 275,925.44 = 159,076.76 : x
  2. Step 2: Convert to fraction form
    199,776.38/275,925.44 = 159,076.76/x
  3. Step 3: Cross multiply
    199,776.38x = 275,925.44 × 159,076.76
  4. Step 4: Simplify right side
    199,776.38x = 43,893,324,996.77
  5. Step 5: Solve for x
    x = 43,893,324,996.77/199,776.38
  6. Step 6: Final answer
    x = 219,712.29

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1.5x scale

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.