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Finding the Fourth Proportional to 79,884, 110,239.92 and 44,556

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Solution

The fourth proportional to 79,884, 110,239.92 and 44,556 is: 61,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,884 : 110,239.92 = 44,556 : x
  2. Step 2: Convert to fraction form
    79,884/110,239.92 = 44,556/x
  3. Step 3: Cross multiply
    79,884x = 110,239.92 × 44,556
  4. Step 4: Simplify right side
    79,884x = 4,911,849,875.52
  5. Step 5: Solve for x
    x = 4,911,849,875.52/79,884
  6. Step 6: Final answer
    x = 61,487.28

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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.