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Finding the Fourth Proportional to 79,355.80, 109,504.58 and 45,362.52

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Solution

The fourth proportional to 79,355.80, 109,504.58 and 45,362.52 is: 62,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,355.80 : 109,504.58 = 45,362.52 : x
  2. Step 2: Convert to fraction form
    79,355.80/109,504.58 = 45,362.52/x
  3. Step 3: Cross multiply
    79,355.80x = 109,504.58 × 45,362.52
  4. Step 4: Simplify right side
    79,355.80x = 4,967,403,700.34
  5. Step 5: Solve for x
    x = 4,967,403,700.34/79,355.80
  6. Step 6: Final answer
    x = 62,596.61

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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.