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Finding the Fourth Proportional to 79,089.60, 118,599.84 and 23,672.64

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Solution

The fourth proportional to 79,089.60, 118,599.84 and 23,672.64 is: 35,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,089.60 : 118,599.84 = 23,672.64 : x
  2. Step 2: Convert to fraction form
    79,089.60/118,599.84 = 23,672.64/x
  3. Step 3: Cross multiply
    79,089.60x = 118,599.84 × 23,672.64
  4. Step 4: Simplify right side
    79,089.60x = 2,807,571,316.38
  5. Step 5: Solve for x
    x = 2,807,571,316.38/79,089.60
  6. Step 6: Final answer
    x = 35,498.62

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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.