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Finding the Fourth Proportional to 218,322.90, 327,484.35 and 60,551.37

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Solution

The fourth proportional to 218,322.90, 327,484.35 and 60,551.37 is: 90,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,322.90 : 327,484.35 = 60,551.37 : x
  2. Step 2: Convert to fraction form
    218,322.90/327,484.35 = 60,551.37/x
  3. Step 3: Cross multiply
    218,322.90x = 327,484.35 × 60,551.37
  4. Step 4: Simplify right side
    218,322.90x = 19,829,626,046.06
  5. Step 5: Solve for x
    x = 19,829,626,046.06/218,322.90
  6. Step 6: Final answer
    x = 90,827.06

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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.