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Finding the Fourth Proportional to 79,608.93, 109,860.32 and 43,798.17

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Solution

The fourth proportional to 79,608.93, 109,860.32 and 43,798.17 is: 60,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,608.93 : 109,860.32 = 43,798.17 : x
  2. Step 2: Convert to fraction form
    79,608.93/109,860.32 = 43,798.17/x
  3. Step 3: Cross multiply
    79,608.93x = 109,860.32 × 43,798.17
  4. Step 4: Simplify right side
    79,608.93x = 4,811,680,752.62
  5. Step 5: Solve for x
    x = 4,811,680,752.62/79,608.93
  6. Step 6: Final answer
    x = 60,441.47

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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.