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Finding the Fourth Proportional to 191,956.86, 264,757.68 and 140,953.59

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Solution

The fourth proportional to 191,956.86, 264,757.68 and 140,953.59 is: 194,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,956.86 : 264,757.68 = 140,953.59 : x
  2. Step 2: Convert to fraction form
    191,956.86/264,757.68 = 140,953.59/x
  3. Step 3: Cross multiply
    191,956.86x = 264,757.68 × 140,953.59
  4. Step 4: Simplify right side
    191,956.86x = 37,318,545,476.07
  5. Step 5: Solve for x
    x = 37,318,545,476.07/191,956.86
  6. Step 6: Final answer
    x = 194,411.11

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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.