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Finding the Fourth Proportional to 189,311.85, 283,970.16 and 62,952.03

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Solution

The fourth proportional to 189,311.85, 283,970.16 and 62,952.03 is: 94,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,311.85 : 283,970.16 = 62,952.03 : x
  2. Step 2: Convert to fraction form
    189,311.85/283,970.16 = 62,952.03/x
  3. Step 3: Cross multiply
    189,311.85x = 283,970.16 × 62,952.03
  4. Step 4: Simplify right side
    189,311.85x = 17,876,498,031.42
  5. Step 5: Solve for x
    x = 17,876,498,031.42/189,311.85
  6. Step 6: Final answer
    x = 94,428.84

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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.