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Finding the Fourth Proportional to 218,151.64, 327,030.63 and 151,623.10

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Solution

The fourth proportional to 218,151.64, 327,030.63 and 151,623.10 is: 227,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,151.64 : 327,030.63 = 151,623.10 : x
  2. Step 2: Convert to fraction form
    218,151.64/327,030.63 = 151,623.10/x
  3. Step 3: Cross multiply
    218,151.64x = 327,030.63 × 151,623.10
  4. Step 4: Simplify right side
    218,151.64x = 49,585,397,915.55
  5. Step 5: Solve for x
    x = 49,585,397,915.55/218,151.64
  6. Step 6: Final answer
    x = 227,297.85

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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.