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Finding the Fourth Proportional to 365,466.06, 548,292.51 and 140,766.18

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Solution

The fourth proportional to 365,466.06, 548,292.51 and 140,766.18 is: 211,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,466.06 : 548,292.51 = 140,766.18 : x
  2. Step 2: Convert to fraction form
    365,466.06/548,292.51 = 140,766.18/x
  3. Step 3: Cross multiply
    365,466.06x = 548,292.51 × 140,766.18
  4. Step 4: Simplify right side
    365,466.06x = 77,181,042,155.31
  5. Step 5: Solve for x
    x = 77,181,042,155.31/365,466.06
  6. Step 6: Final answer
    x = 211,185.25

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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.