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Finding the Fourth Proportional to 240,614.08, 360,796.76 and 105,622.90

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Solution

The fourth proportional to 240,614.08, 360,796.76 and 105,622.90 is: 158,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,614.08 : 360,796.76 = 105,622.90 : x
  2. Step 2: Convert to fraction form
    240,614.08/360,796.76 = 105,622.90/x
  3. Step 3: Cross multiply
    240,614.08x = 360,796.76 × 105,622.90
  4. Step 4: Simplify right side
    240,614.08x = 38,108,400,101.80
  5. Step 5: Solve for x
    x = 38,108,400,101.80/240,614.08
  6. Step 6: Final answer
    x = 158,379.76

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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.