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Finding the Fourth Proportional to 79,013.46, 109,060.08 and 45,039.84

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Solution

The fourth proportional to 79,013.46, 109,060.08 and 45,039.84 is: 62,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,013.46 : 109,060.08 = 45,039.84 : x
  2. Step 2: Convert to fraction form
    79,013.46/109,060.08 = 45,039.84/x
  3. Step 3: Cross multiply
    79,013.46x = 109,060.08 × 45,039.84
  4. Step 4: Simplify right side
    79,013.46x = 4,912,048,553.59
  5. Step 5: Solve for x
    x = 4,912,048,553.59/79,013.46
  6. Step 6: Final answer
    x = 62,167.24

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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.