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Finding the Fourth Proportional to 178,247.40, 267,411.60 and 59,930.70

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Solution

The fourth proportional to 178,247.40, 267,411.60 and 59,930.70 is: 89,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,247.40 : 267,411.60 = 59,930.70 : x
  2. Step 2: Convert to fraction form
    178,247.40/267,411.60 = 59,930.70/x
  3. Step 3: Cross multiply
    178,247.40x = 267,411.60 × 59,930.70
  4. Step 4: Simplify right side
    178,247.40x = 16,026,164,376.12
  5. Step 5: Solve for x
    x = 16,026,164,376.12/178,247.40
  6. Step 6: Final answer
    x = 89,909.67

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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.