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Finding the Fourth Proportional to 178,004.40, 266,941.80 and 59,679.60

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Solution

The fourth proportional to 178,004.40, 266,941.80 and 59,679.60 is: 89,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,004.40 : 266,941.80 = 59,679.60 : x
  2. Step 2: Convert to fraction form
    178,004.40/266,941.80 = 59,679.60/x
  3. Step 3: Cross multiply
    178,004.40x = 266,941.80 × 59,679.60
  4. Step 4: Simplify right side
    178,004.40x = 15,930,979,847.28
  5. Step 5: Solve for x
    x = 15,930,979,847.28/178,004.40
  6. Step 6: Final answer
    x = 89,497.67

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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.