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Finding the Fourth Proportional to 79,663.29, 109,934.58 and 43,852.38

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Solution

The fourth proportional to 79,663.29, 109,934.58 and 43,852.38 is: 60,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,663.29 : 109,934.58 = 43,852.38 : x
  2. Step 2: Convert to fraction form
    79,663.29/109,934.58 = 43,852.38/x
  3. Step 3: Cross multiply
    79,663.29x = 109,934.58 × 43,852.38
  4. Step 4: Simplify right side
    79,663.29x = 4,820,892,977.30
  5. Step 5: Solve for x
    x = 4,820,892,977.30/79,663.29
  6. Step 6: Final answer
    x = 60,515.87

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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.