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Finding the Fourth Proportional to 79,719.94, 119,599.53 and 23,559.76

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Solution

The fourth proportional to 79,719.94, 119,599.53 and 23,559.76 is: 35,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719.94 : 119,599.53 = 23,559.76 : x
  2. Step 2: Convert to fraction form
    79,719.94/119,599.53 = 23,559.76/x
  3. Step 3: Cross multiply
    79,719.94x = 119,599.53 × 23,559.76
  4. Step 4: Simplify right side
    79,719.94x = 2,817,736,222.91
  5. Step 5: Solve for x
    x = 2,817,736,222.91/79,719.94
  6. Step 6: Final answer
    x = 35,345.44

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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.