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Finding the Fourth Proportional to 243,550.62, 365,360.36 and 75,084.66

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Solution

The fourth proportional to 243,550.62, 365,360.36 and 75,084.66 is: 112,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,550.62 : 365,360.36 = 75,084.66 : x
  2. Step 2: Convert to fraction form
    243,550.62/365,360.36 = 75,084.66/x
  3. Step 3: Cross multiply
    243,550.62x = 365,360.36 × 75,084.66
  4. Step 4: Simplify right side
    243,550.62x = 27,432,958,032.65
  5. Step 5: Solve for x
    x = 27,432,958,032.65/243,550.62
  6. Step 6: Final answer
    x = 112,637.60

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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.