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Finding the Fourth Proportional to 79,502.85, 109,811.30 and 59,448.94

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Solution

The fourth proportional to 79,502.85, 109,811.30 and 59,448.94 is: 82,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,502.85 : 109,811.30 = 59,448.94 : x
  2. Step 2: Convert to fraction form
    79,502.85/109,811.30 = 59,448.94/x
  3. Step 3: Cross multiply
    79,502.85x = 109,811.30 × 59,448.94
  4. Step 4: Simplify right side
    79,502.85x = 6,528,164,813.25
  5. Step 5: Solve for x
    x = 6,528,164,813.25/79,502.85
  6. Step 6: Final answer
    x = 82,112.34

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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.