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Finding the Fourth Proportional to 178,048.80, 267,030 and 59,689.44

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Solution

The fourth proportional to 178,048.80, 267,030 and 59,689.44 is: 89,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,048.80 : 267,030 = 59,689.44 : x
  2. Step 2: Convert to fraction form
    178,048.80/267,030 = 59,689.44/x
  3. Step 3: Cross multiply
    178,048.80x = 267,030 × 59,689.44
  4. Step 4: Simplify right side
    178,048.80x = 15,938,871,163.20
  5. Step 5: Solve for x
    x = 15,938,871,163.20/178,048.80
  6. Step 6: Final answer
    x = 89,519.68

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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.