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Finding the Fourth Proportional to 191,620.73, 264,444.78 and 106,737.83

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Solution

The fourth proportional to 191,620.73, 264,444.78 and 106,737.83 is: 147,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,620.73 : 264,444.78 = 106,737.83 : x
  2. Step 2: Convert to fraction form
    191,620.73/264,444.78 = 106,737.83/x
  3. Step 3: Cross multiply
    191,620.73x = 264,444.78 × 106,737.83
  4. Step 4: Simplify right side
    191,620.73x = 28,226,261,972.03
  5. Step 5: Solve for x
    x = 28,226,261,972.03/191,620.73
  6. Step 6: Final answer
    x = 147,302.76

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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.