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Finding the Fourth Proportional to 79,851.30, 119,527.77 and 58,815.09

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Solution

The fourth proportional to 79,851.30, 119,527.77 and 58,815.09 is: 88,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,851.30 : 119,527.77 = 58,815.09 : x
  2. Step 2: Convert to fraction form
    79,851.30/119,527.77 = 58,815.09/x
  3. Step 3: Cross multiply
    79,851.30x = 119,527.77 × 58,815.09
  4. Step 4: Simplify right side
    79,851.30x = 7,030,036,550.05
  5. Step 5: Solve for x
    x = 7,030,036,550.05/79,851.30
  6. Step 6: Final answer
    x = 88,039.10

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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.