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Finding the Fourth Proportional to 79,522.98, 119,288.12 and 56,253.30

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Solution

The fourth proportional to 79,522.98, 119,288.12 and 56,253.30 is: 84,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,522.98 : 119,288.12 = 56,253.30 : x
  2. Step 2: Convert to fraction form
    79,522.98/119,288.12 = 56,253.30/x
  3. Step 3: Cross multiply
    79,522.98x = 119,288.12 × 56,253.30
  4. Step 4: Simplify right side
    79,522.98x = 6,710,350,119.53
  5. Step 5: Solve for x
    x = 6,710,350,119.53/79,522.98
  6. Step 6: Final answer
    x = 84,382.53

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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.