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Finding the Fourth Proportional to 79,411.29, 109,589.88 and 44,953.30

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Solution

The fourth proportional to 79,411.29, 109,589.88 and 44,953.30 is: 62,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,411.29 : 109,589.88 = 44,953.30 : x
  2. Step 2: Convert to fraction form
    79,411.29/109,589.88 = 44,953.30/x
  3. Step 3: Cross multiply
    79,411.29x = 109,589.88 × 44,953.30
  4. Step 4: Simplify right side
    79,411.29x = 4,926,426,752.60
  5. Step 5: Solve for x
    x = 4,926,426,752.60/79,411.29
  6. Step 6: Final answer
    x = 62,036.86

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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.