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Finding the Fourth Proportional to 79,538.95, 119,394.87 and 32,186.63

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Solution

The fourth proportional to 79,538.95, 119,394.87 and 32,186.63 is: 48,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,538.95 : 119,394.87 = 32,186.63 : x
  2. Step 2: Convert to fraction form
    79,538.95/119,394.87 = 32,186.63/x
  3. Step 3: Cross multiply
    79,538.95x = 119,394.87 × 32,186.63
  4. Step 4: Simplify right side
    79,538.95x = 3,842,918,343.65
  5. Step 5: Solve for x
    x = 3,842,918,343.65/79,538.95
  6. Step 6: Final answer
    x = 48,314.93

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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.