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Finding the Fourth Proportional to 79,880.48, 110,240.08 and 45,899.84

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Solution

The fourth proportional to 79,880.48, 110,240.08 and 45,899.84 is: 63,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,880.48 : 110,240.08 = 45,899.84 : x
  2. Step 2: Convert to fraction form
    79,880.48/110,240.08 = 45,899.84/x
  3. Step 3: Cross multiply
    79,880.48x = 110,240.08 × 45,899.84
  4. Step 4: Simplify right side
    79,880.48x = 5,060,002,033.59
  5. Step 5: Solve for x
    x = 5,060,002,033.59/79,880.48
  6. Step 6: Final answer
    x = 63,344.66

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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.