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Finding the Fourth Proportional to 178,473.35, 267,623.90 and 103,612.34

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Solution

The fourth proportional to 178,473.35, 267,623.90 and 103,612.34 is: 155,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,473.35 : 267,623.90 = 103,612.34 : x
  2. Step 2: Convert to fraction form
    178,473.35/267,623.90 = 103,612.34/x
  3. Step 3: Cross multiply
    178,473.35x = 267,623.90 × 103,612.34
  4. Step 4: Simplify right side
    178,473.35x = 27,729,137,439.84
  5. Step 5: Solve for x
    x = 27,729,137,439.84/178,473.35
  6. Step 6: Final answer
    x = 155,368.51

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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.