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Finding the Fourth Proportional to 79,530.62, 109,752.48 and 45,539.62

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Solution

The fourth proportional to 79,530.62, 109,752.48 and 45,539.62 is: 62,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,530.62 : 109,752.48 = 45,539.62 : x
  2. Step 2: Convert to fraction form
    79,530.62/109,752.48 = 45,539.62/x
  3. Step 3: Cross multiply
    79,530.62x = 109,752.48 × 45,539.62
  4. Step 4: Simplify right side
    79,530.62x = 4,998,085,958.88
  5. Step 5: Solve for x
    x = 4,998,085,958.88/79,530.62
  6. Step 6: Final answer
    x = 62,844.80

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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.