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Finding the Fourth Proportional to 79,586.54, 109,858.65 and 52,737.74

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Solution

The fourth proportional to 79,586.54, 109,858.65 and 52,737.74 is: 72,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,586.54 : 109,858.65 = 52,737.74 : x
  2. Step 2: Convert to fraction form
    79,586.54/109,858.65 = 52,737.74/x
  3. Step 3: Cross multiply
    79,586.54x = 109,858.65 × 52,737.74
  4. Step 4: Simplify right side
    79,586.54x = 5,793,696,920.45
  5. Step 5: Solve for x
    x = 5,793,696,920.45/79,586.54
  6. Step 6: Final answer
    x = 72,797.45

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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.