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Finding the Fourth Proportional to 79,565.50, 109,127.68 and 70,597.44

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Solution

The fourth proportional to 79,565.50, 109,127.68 and 70,597.44 is: 96,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.50 : 109,127.68 = 70,597.44 : x
  2. Step 2: Convert to fraction form
    79,565.50/109,127.68 = 70,597.44/x
  3. Step 3: Cross multiply
    79,565.50x = 109,127.68 × 70,597.44
  4. Step 4: Simplify right side
    79,565.50x = 7,704,134,664.65
  5. Step 5: Solve for x
    x = 7,704,134,664.65/79,565.50
  6. Step 6: Final answer
    x = 96,827.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.