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Finding the Fourth Proportional to 79,597.53, 119,368.58 and 26,278.11

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Solution

The fourth proportional to 79,597.53, 119,368.58 and 26,278.11 is: 39,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,597.53 : 119,368.58 = 26,278.11 : x
  2. Step 2: Convert to fraction form
    79,597.53/119,368.58 = 26,278.11/x
  3. Step 3: Cross multiply
    79,597.53x = 119,368.58 × 26,278.11
  4. Step 4: Simplify right side
    79,597.53x = 3,136,780,544.39
  5. Step 5: Solve for x
    x = 3,136,780,544.39/79,597.53
  6. Step 6: Final answer
    x = 39,408.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.