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Finding the Fourth Proportional to 162,890.10, 244,359.45 and 57,700.80

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Solution

The fourth proportional to 162,890.10, 244,359.45 and 57,700.80 is: 86,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,890.10 : 244,359.45 = 57,700.80 : x
  2. Step 2: Convert to fraction form
    162,890.10/244,359.45 = 57,700.80/x
  3. Step 3: Cross multiply
    162,890.10x = 244,359.45 × 57,700.80
  4. Step 4: Simplify right side
    162,890.10x = 14,099,735,752.56
  5. Step 5: Solve for x
    x = 14,099,735,752.56/162,890.10
  6. Step 6: Final answer
    x = 86,559.81

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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.