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Finding the Fourth Proportional to 79,008.46, 109,030.93 and 43,198.09

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Solution

The fourth proportional to 79,008.46, 109,030.93 and 43,198.09 is: 59,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,008.46 : 109,030.93 = 43,198.09 : x
  2. Step 2: Convert to fraction form
    79,008.46/109,030.93 = 43,198.09/x
  3. Step 3: Cross multiply
    79,008.46x = 109,030.93 × 43,198.09
  4. Step 4: Simplify right side
    79,008.46x = 4,709,927,926.92
  5. Step 5: Solve for x
    x = 4,709,927,926.92/79,008.46
  6. Step 6: Final answer
    x = 59,612.96

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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.