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Finding the Fourth Proportional to 191,562.95, 264,337.94 and 106,687.91

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Solution

The fourth proportional to 191,562.95, 264,337.94 and 106,687.91 is: 147,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,562.95 : 264,337.94 = 106,687.91 : x
  2. Step 2: Convert to fraction form
    191,562.95/264,337.94 = 106,687.91/x
  3. Step 3: Cross multiply
    191,562.95x = 264,337.94 × 106,687.91
  4. Step 4: Simplify right side
    191,562.95x = 28,201,660,497.18
  5. Step 5: Solve for x
    x = 28,201,660,497.18/191,562.95
  6. Step 6: Final answer
    x = 147,218.77

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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.