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Finding the Fourth Proportional to 79,253.57, 109,381.14 and 49,048.63

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Solution

The fourth proportional to 79,253.57, 109,381.14 and 49,048.63 is: 67,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,253.57 : 109,381.14 = 49,048.63 : x
  2. Step 2: Convert to fraction form
    79,253.57/109,381.14 = 49,048.63/x
  3. Step 3: Cross multiply
    79,253.57x = 109,381.14 × 49,048.63
  4. Step 4: Simplify right side
    79,253.57x = 5,364,995,064.84
  5. Step 5: Solve for x
    x = 5,364,995,064.84/79,253.57
  6. Step 6: Final answer
    x = 67,694.05

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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.