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Finding the Fourth Proportional to 191,671.72, 264,500.74 and 110,013.40

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Solution

The fourth proportional to 191,671.72, 264,500.74 and 110,013.40 is: 151,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,671.72 : 264,500.74 = 110,013.40 : x
  2. Step 2: Convert to fraction form
    191,671.72/264,500.74 = 110,013.40/x
  3. Step 3: Cross multiply
    191,671.72x = 264,500.74 × 110,013.40
  4. Step 4: Simplify right side
    191,671.72x = 29,098,625,709.92
  5. Step 5: Solve for x
    x = 29,098,625,709.92/191,671.72
  6. Step 6: Final answer
    x = 151,814.91

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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.