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Finding the Fourth Proportional to 159,052.17, 219,543.06 and 101,845.51

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Solution

The fourth proportional to 159,052.17, 219,543.06 and 101,845.51 is: 140,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,052.17 : 219,543.06 = 101,845.51 : x
  2. Step 2: Convert to fraction form
    159,052.17/219,543.06 = 101,845.51/x
  3. Step 3: Cross multiply
    159,052.17x = 219,543.06 × 101,845.51
  4. Step 4: Simplify right side
    159,052.17x = 22,359,474,912.66
  5. Step 5: Solve for x
    x = 22,359,474,912.66/159,052.17
  6. Step 6: Final answer
    x = 140,579.50

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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.