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Finding the Fourth Proportional to 79,492.25, 109,694.15 and 45,501.01

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Solution

The fourth proportional to 79,492.25, 109,694.15 and 45,501.01 is: 62,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,492.25 : 109,694.15 = 45,501.01 : x
  2. Step 2: Convert to fraction form
    79,492.25/109,694.15 = 45,501.01/x
  3. Step 3: Cross multiply
    79,492.25x = 109,694.15 × 45,501.01
  4. Step 4: Simplify right side
    79,492.25x = 4,991,194,284.98
  5. Step 5: Solve for x
    x = 4,991,194,284.98/79,492.25
  6. Step 6: Final answer
    x = 62,788.44

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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.