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Finding the Fourth Proportional to 79,483.67, 119,326.67 and 51,520.74

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Solution

The fourth proportional to 79,483.67, 119,326.67 and 51,520.74 is: 77,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,483.67 : 119,326.67 = 51,520.74 : x
  2. Step 2: Convert to fraction form
    79,483.67/119,326.67 = 51,520.74/x
  3. Step 3: Cross multiply
    79,483.67x = 119,326.67 × 51,520.74
  4. Step 4: Simplify right side
    79,483.67x = 6,147,798,468.94
  5. Step 5: Solve for x
    x = 6,147,798,468.94/79,483.67
  6. Step 6: Final answer
    x = 77,346.68

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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.