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Finding the Fourth Proportional to 366,986.70, 550,480.05 and 100,746.80

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Solution

The fourth proportional to 366,986.70, 550,480.05 and 100,746.80 is: 151,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,986.70 : 550,480.05 = 100,746.80 : x
  2. Step 2: Convert to fraction form
    366,986.70/550,480.05 = 100,746.80/x
  3. Step 3: Cross multiply
    366,986.70x = 550,480.05 × 100,746.80
  4. Step 4: Simplify right side
    366,986.70x = 55,459,103,501.34
  5. Step 5: Solve for x
    x = 55,459,103,501.34/366,986.70
  6. Step 6: Final answer
    x = 151,120.20

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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.