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Finding the Fourth Proportional to 244,657.40, 366,986.10 and 104,430.20

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Solution

The fourth proportional to 244,657.40, 366,986.10 and 104,430.20 is: 156,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,657.40 : 366,986.10 = 104,430.20 : x
  2. Step 2: Convert to fraction form
    244,657.40/366,986.10 = 104,430.20/x
  3. Step 3: Cross multiply
    244,657.40x = 366,986.10 × 104,430.20
  4. Step 4: Simplify right side
    244,657.40x = 38,324,431,820.22
  5. Step 5: Solve for x
    x = 38,324,431,820.22/244,657.40
  6. Step 6: Final answer
    x = 156,645.30

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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.