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Finding the Fourth Proportional to 151,475.68, 225,736.96 and 146,915.20

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Solution

The fourth proportional to 151,475.68, 225,736.96 and 146,915.20 is: 218,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,475.68 : 225,736.96 = 146,915.20 : x
  2. Step 2: Convert to fraction form
    151,475.68/225,736.96 = 146,915.20/x
  3. Step 3: Cross multiply
    151,475.68x = 225,736.96 × 146,915.20
  4. Step 4: Simplify right side
    151,475.68x = 33,164,190,625.79
  5. Step 5: Solve for x
    x = 33,164,190,625.79/151,475.68
  6. Step 6: Final answer
    x = 218,940.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.