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Finding the Fourth Proportional to 178,440.80, 267,596.40 and 89,664.80

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Solution

The fourth proportional to 178,440.80, 267,596.40 and 89,664.80 is: 134,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,440.80 : 267,596.40 = 89,664.80 : x
  2. Step 2: Convert to fraction form
    178,440.80/267,596.40 = 89,664.80/x
  3. Step 3: Cross multiply
    178,440.80x = 267,596.40 × 89,664.80
  4. Step 4: Simplify right side
    178,440.80x = 23,993,977,686.72
  5. Step 5: Solve for x
    x = 23,993,977,686.72/178,440.80
  6. Step 6: Final answer
    x = 134,464.64

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1.5x scale

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.