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Finding the Fourth Proportional to 181,879.80, 272,819.70 and 93,103.80

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Solution

The fourth proportional to 181,879.80, 272,819.70 and 93,103.80 is: 139,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,879.80 : 272,819.70 = 93,103.80 : x
  2. Step 2: Convert to fraction form
    181,879.80/272,819.70 = 93,103.80/x
  3. Step 3: Cross multiply
    181,879.80x = 272,819.70 × 93,103.80
  4. Step 4: Simplify right side
    181,879.80x = 25,400,550,784.86
  5. Step 5: Solve for x
    x = 25,400,550,784.86/181,879.80
  6. Step 6: Final answer
    x = 139,655.70

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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.