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Finding the Fourth Proportional to 79,267.40, 109,391.10 and 44,809.40

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Solution

The fourth proportional to 79,267.40, 109,391.10 and 44,809.40 is: 61,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.40 : 109,391.10 = 44,809.40 : x
  2. Step 2: Convert to fraction form
    79,267.40/109,391.10 = 44,809.40/x
  3. Step 3: Cross multiply
    79,267.40x = 109,391.10 × 44,809.40
  4. Step 4: Simplify right side
    79,267.40x = 4,901,749,556.34
  5. Step 5: Solve for x
    x = 4,901,749,556.34/79,267.40
  6. Step 6: Final answer
    x = 61,838.15

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1.5x scale

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.