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Finding the Fourth Proportional to 218,424.60, 327,637.08 and 60,653.04

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Solution

The fourth proportional to 218,424.60, 327,637.08 and 60,653.04 is: 90,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,424.60 : 327,637.08 = 60,653.04 : x
  2. Step 2: Convert to fraction form
    218,424.60/327,637.08 = 60,653.04/x
  3. Step 3: Cross multiply
    218,424.60x = 327,637.08 × 60,653.04
  4. Step 4: Simplify right side
    218,424.60x = 19,872,184,918.72
  5. Step 5: Solve for x
    x = 19,872,184,918.72/218,424.60
  6. Step 6: Final answer
    x = 90,979.61

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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.