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Finding the Fourth Proportional to 191,764.98, 264,636.90 and 106,887.42

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Solution

The fourth proportional to 191,764.98, 264,636.90 and 106,887.42 is: 147,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,764.98 : 264,636.90 = 106,887.42 : x
  2. Step 2: Convert to fraction form
    191,764.98/264,636.90 = 106,887.42/x
  3. Step 3: Cross multiply
    191,764.98x = 264,636.90 × 106,887.42
  4. Step 4: Simplify right side
    191,764.98x = 28,286,355,477.80
  5. Step 5: Solve for x
    x = 28,286,355,477.80/191,764.98
  6. Step 6: Final answer
    x = 147,505.32

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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.