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Finding the Fourth Proportional to 191,658.34, 264,465.57 and 109,982.40

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Solution

The fourth proportional to 191,658.34, 264,465.57 and 109,982.40 is: 151,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,658.34 : 264,465.57 = 109,982.40 : x
  2. Step 2: Convert to fraction form
    191,658.34/264,465.57 = 109,982.40/x
  3. Step 3: Cross multiply
    191,658.34x = 264,465.57 × 109,982.40
  4. Step 4: Simplify right side
    191,658.34x = 29,086,558,105.97
  5. Step 5: Solve for x
    x = 29,086,558,105.97/191,658.34
  6. Step 6: Final answer
    x = 151,762.55

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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.