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Finding the Fourth Proportional to 178,614.84, 267,922.32 and 84,836.28

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Solution

The fourth proportional to 178,614.84, 267,922.32 and 84,836.28 is: 127,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,614.84 : 267,922.32 = 84,836.28 : x
  2. Step 2: Convert to fraction form
    178,614.84/267,922.32 = 84,836.28/x
  3. Step 3: Cross multiply
    178,614.84x = 267,922.32 × 84,836.28
  4. Step 4: Simplify right side
    178,614.84x = 22,729,532,957.77
  5. Step 5: Solve for x
    x = 22,729,532,957.77/178,614.84
  6. Step 6: Final answer
    x = 127,254.45

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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.