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Finding the Fourth Proportional to 178,420.94, 267,631.86 and 60,175.34

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Solution

The fourth proportional to 178,420.94, 267,631.86 and 60,175.34 is: 90,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,420.94 : 267,631.86 = 60,175.34 : x
  2. Step 2: Convert to fraction form
    178,420.94/267,631.86 = 60,175.34/x
  3. Step 3: Cross multiply
    178,420.94x = 267,631.86 × 60,175.34
  4. Step 4: Simplify right side
    178,420.94x = 16,104,838,170.33
  5. Step 5: Solve for x
    x = 16,104,838,170.33/178,420.94
  6. Step 6: Final answer
    x = 90,263.16

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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.