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Finding the Fourth Proportional to 79,527.98, 119,338.14 and 29,642.60

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Solution

The fourth proportional to 79,527.98, 119,338.14 and 29,642.60 is: 44,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,527.98 : 119,338.14 = 29,642.60 : x
  2. Step 2: Convert to fraction form
    79,527.98/119,338.14 = 29,642.60/x
  3. Step 3: Cross multiply
    79,527.98x = 119,338.14 × 29,642.60
  4. Step 4: Simplify right side
    79,527.98x = 3,537,492,748.76
  5. Step 5: Solve for x
    x = 3,537,492,748.76/79,527.98
  6. Step 6: Final answer
    x = 44,481.11

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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.