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Finding the Fourth Proportional to 178,040.21, 267,060.30 and 59,711.21

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Solution

The fourth proportional to 178,040.21, 267,060.30 and 59,711.21 is: 89,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,040.21 : 267,060.30 = 59,711.21 : x
  2. Step 2: Convert to fraction form
    178,040.21/267,060.30 = 59,711.21/x
  3. Step 3: Cross multiply
    178,040.21x = 267,060.30 × 59,711.21
  4. Step 4: Simplify right side
    178,040.21x = 15,946,492,320.66
  5. Step 5: Solve for x
    x = 15,946,492,320.66/178,040.21
  6. Step 6: Final answer
    x = 89,566.80

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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.