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Finding the Fourth Proportional to 79,698, 109,983.24 and 44,370

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Solution

The fourth proportional to 79,698, 109,983.24 and 44,370 is: 61,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,698 : 109,983.24 = 44,370 : x
  2. Step 2: Convert to fraction form
    79,698/109,983.24 = 44,370/x
  3. Step 3: Cross multiply
    79,698x = 109,983.24 × 44,370
  4. Step 4: Simplify right side
    79,698x = 4,879,956,358.80
  5. Step 5: Solve for x
    x = 4,879,956,358.80/79,698
  6. Step 6: Final answer
    x = 61,230.60

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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.