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Finding the Fourth Proportional to 191,782.62, 264,562.74 and 146,381.78

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Solution

The fourth proportional to 191,782.62, 264,562.74 and 146,381.78 is: 201,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,782.62 : 264,562.74 = 146,381.78 : x
  2. Step 2: Convert to fraction form
    191,782.62/264,562.74 = 146,381.78/x
  3. Step 3: Cross multiply
    191,782.62x = 264,562.74 × 146,381.78
  4. Step 4: Simplify right side
    191,782.62x = 38,727,165,464.28
  5. Step 5: Solve for x
    x = 38,727,165,464.28/191,782.62
  6. Step 6: Final answer
    x = 201,932.61

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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.