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Finding the Fourth Proportional to 178,274.36, 267,376.98 and 67,475

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Solution

The fourth proportional to 178,274.36, 267,376.98 and 67,475 is: 101,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,274.36 : 267,376.98 = 67,475 : x
  2. Step 2: Convert to fraction form
    178,274.36/267,376.98 = 67,475/x
  3. Step 3: Cross multiply
    178,274.36x = 267,376.98 × 67,475
  4. Step 4: Simplify right side
    178,274.36x = 18,041,261,725.50
  5. Step 5: Solve for x
    x = 18,041,261,725.50/178,274.36
  6. Step 6: Final answer
    x = 101,199.42

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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.