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Finding the Fourth Proportional to 191,404.80, 264,136.03 and 106,521.86

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Solution

The fourth proportional to 191,404.80, 264,136.03 and 106,521.86 is: 146,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,404.80 : 264,136.03 = 106,521.86 : x
  2. Step 2: Convert to fraction form
    191,404.80/264,136.03 = 106,521.86/x
  3. Step 3: Cross multiply
    191,404.80x = 264,136.03 × 106,521.86
  4. Step 4: Simplify right side
    191,404.80x = 28,136,261,602.65
  5. Step 5: Solve for x
    x = 28,136,261,602.65/191,404.80
  6. Step 6: Final answer
    x = 146,998.73

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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.