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Finding the Fourth Proportional to 79,767.86, 110,080.08 and 45,773.64

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Solution

The fourth proportional to 79,767.86, 110,080.08 and 45,773.64 is: 63,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,767.86 : 110,080.08 = 45,773.64 : x
  2. Step 2: Convert to fraction form
    79,767.86/110,080.08 = 45,773.64/x
  3. Step 3: Cross multiply
    79,767.86x = 110,080.08 × 45,773.64
  4. Step 4: Simplify right side
    79,767.86x = 5,038,765,953.09
  5. Step 5: Solve for x
    x = 5,038,765,953.09/79,767.86
  6. Step 6: Final answer
    x = 63,167.88

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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.