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Finding the Fourth Proportional to 79,534.87, 119,283.86 and 35,137.42

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Solution

The fourth proportional to 79,534.87, 119,283.86 and 35,137.42 is: 52,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,534.87 : 119,283.86 = 35,137.42 : x
  2. Step 2: Convert to fraction form
    79,534.87/119,283.86 = 35,137.42/x
  3. Step 3: Cross multiply
    79,534.87x = 119,283.86 × 35,137.42
  4. Step 4: Simplify right side
    79,534.87x = 4,191,326,912.35
  5. Step 5: Solve for x
    x = 4,191,326,912.35/79,534.87
  6. Step 6: Final answer
    x = 52,697.98

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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.