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Finding the Fourth Proportional to 191,452.55, 264,200.15 and 119,872.04

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Solution

The fourth proportional to 191,452.55, 264,200.15 and 119,872.04 is: 165,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,452.55 : 264,200.15 = 119,872.04 : x
  2. Step 2: Convert to fraction form
    191,452.55/264,200.15 = 119,872.04/x
  3. Step 3: Cross multiply
    191,452.55x = 264,200.15 × 119,872.04
  4. Step 4: Simplify right side
    191,452.55x = 31,670,210,349.45
  5. Step 5: Solve for x
    x = 31,670,210,349.45/191,452.55
  6. Step 6: Final answer
    x = 165,420.68

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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.