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Finding the Fourth Proportional to 104,195.38, 156,300.09 and 51,590.74

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Solution

The fourth proportional to 104,195.38, 156,300.09 and 51,590.74 is: 77,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,195.38 : 156,300.09 = 51,590.74 : x
  2. Step 2: Convert to fraction form
    104,195.38/156,300.09 = 51,590.74/x
  3. Step 3: Cross multiply
    104,195.38x = 156,300.09 × 51,590.74
  4. Step 4: Simplify right side
    104,195.38x = 8,063,637,305.17
  5. Step 5: Solve for x
    x = 8,063,637,305.17/104,195.38
  6. Step 6: Final answer
    x = 77,389.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.