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Finding the Fourth Proportional to 79,184.59, 109,311.20 and 46,917.07

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Solution

The fourth proportional to 79,184.59, 109,311.20 and 46,917.07 is: 64,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184.59 : 109,311.20 = 46,917.07 : x
  2. Step 2: Convert to fraction form
    79,184.59/109,311.20 = 46,917.07/x
  3. Step 3: Cross multiply
    79,184.59x = 109,311.20 × 46,917.07
  4. Step 4: Simplify right side
    79,184.59x = 5,128,561,222.18
  5. Step 5: Solve for x
    x = 5,128,561,222.18/79,184.59
  6. Step 6: Final answer
    x = 64,767.16

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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.